# TalentLayer's Functions The TalentLayer Core Protocol is the underlying tech behind the TalentLayer Web 3 SDK and API. The TalentLayer Core Protocol is composed of the following key modules: * **TalentLayerPlatformID:** Marketplace configuration (fees, dispute, access) * **TalentLayerID:** Worker and hirer identity * **TalentLayerReview:** Mutual review * **TalentLayerService:** Universal Services & Proposal System * **TalentLayerEscrow:** Escrow & Dispute System Together, these systems make cross-platform transactions possible. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.talentlayer.org/readme/basics.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. 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.