# Index An index measures a certain aspect of the performance of the network. Indices, as network and knowledge derivatives, build from this information will be the primary content discovery paradigm of the Economic Web where nodes are [Economic space agent](/economic-space-agent.md)s and tokens the links in the network - just like keyword based search was the dominant content discovery paradigm in Web 1.0 (where nodes were documents and hyperlinks the links in the network) and social based feed was it for Web 2.0. (where nodes were people, brands and likes/follows the linking mechanism). --- # 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://glossary.ecsa.io/index.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.