> For the complete documentation index, see [llms.txt](https://registration.govstack.global/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://registration.govstack.global/2-terminology.md).

# 3 Terminology

Several elements of the glossary are based on the terminology defined by the [World Wide Web Consortium (W3C) recommendations on the “Verifiable Credentials Data Model 1.0” (Nov. 2019)](https://www.w3.org/TR/vc-data-model/#terminology) and [Open ID Connect Core 1.0](https://openid.net/specs/openid-connect-core-1_0.html#Terminology).

| Term             | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Registration** | Process through which an entity gets claims recorded in a registry and a credential proving the registration, in exchange of providing some requirements.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| **Entity**       | A thing with distinct and independent existence, such as a person, organization, or device.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| **Claim**        | An attribute asserted by an entity, about itself or another entity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| **Attribute**    | A property (data, information) relating to an entity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Subject**      | An entity obliged or entitled to registration, or about which a claim is made.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| **Asserter**     | An entity that asserts a claim.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| **Registry**     | A paper-based or electronic database (centralized or decentralized, i.e. blockchain) where claims are stored and can be consulted.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| **Registrar**    | An entity that is authorized to register, in a registry, claims submitted by an applicant and to issue a credential proving the registration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **Applicant**    | Entity that requests the registration of claims in a registry.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| **Operator**     | A registrar or a staff of a registrar who is processing the request of an applicant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Credential**   | A paper or electronic document created by an issuer and displaying one or more claims about one or more entities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| **Issuer**       | Entity that creates a credential for one or more entities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| **Scope**        | A set of claims and/or credentials required for a registration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| **Service**      | Name given to a registration, or to a combination of registrations which can be undertaken simultaneously, by the entity(ies) in charge of the registration process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Regulation**   | Normative text (law, decree, deed, decision, etc.) issued by a public entity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **Rule**         | Any regulation, or part of a regulation, which creates for specific subjects an obligation or a right to register, and defines, for each category of subjects, the results and requirements of the registration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| **Requirement**  | Information (i.e. claims and credentials) and fees which must be provided in a registration process. Requirements may vary according to each subject.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| **Result**       | The result of a registration is usually a credential (sometimes called: certificate, license, permit, card, etc.) proving the registration, in addition to the recording of information in a registry.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| **Determinant**  | A determinant is an attribute, defined in the rule, used as a filter to determine/trigger if (1) an entity is subject to a registration and/or (2) what requirements this entity must provide to register.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| **UC- Use Case** | <p>A specific situation in which a product/Building Block or service could potentially be used.</p><p>Examples:</p><p>Employers must register to the Social Security registry (attribute = employer; what is triggered = subject to register at the Social Security registry)<br><br>Foreign companies must obtain an investment license before investing (attribute = foreign company; what is triggered = subject to register for an investment license)<br><br>Married traders must provide a copy of their wedding certificate when they register at the business registry (attribute = married; what is triggered = wedding certificate is one of the requirements to register at the business registry).</p> |
| MCTS             | Mother and Child Tracking System - Example Use Case to validate the system functionality.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |