# Basic Concepts

In this section, we will explore more  details about some basic concepts, starting with our ZK DID Method and Verifiable Credential. The following is the table of contents of this section.

* [DID](/readme/did/did.md)
  * [DID Protocol Main Architecture](/readme/did/did.md#did-protocol-main-architecture)
  * [ZK DID Method](/readme/did/did.md#zk-did-method)
  * [ZK DID Examples](/readme/did/did.md#zk-did-examples)
  * [DID-Keys](/readme/did/did.md#did-keys)
* [VC](/readme/did/vc.md)
  * [What are Verifiable Credentials](/readme/did/vc.md#what-are-verifiable-credentials)
  * [Key roles of VC](/readme/did/vc.md#key-roles-of-vc)
  * [Core Data Model](/readme/did/vc.md#core-data-model)


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
