# Fundamentals

- [What is a Discourse Graph?](/roamresearch-discourse-graph-extension/fundamentals/what-is-a-discourse-graph.md)
- [The Base Grammar: Questions, Claims, and Evidence](/roamresearch-discourse-graph-extension/fundamentals/the-base-grammar-questions-claims-and-evidence.md)
- [The Discourse Graph Extension Grammar](/roamresearch-discourse-graph-extension/fundamentals/the-discourse-graph-extension-grammar.md)
- [Nodes](/roamresearch-discourse-graph-extension/fundamentals/the-discourse-graph-extension-grammar/nodes.md)
- [Operators and relations](/roamresearch-discourse-graph-extension/fundamentals/the-discourse-graph-extension-grammar/operators-and-relations.md)
- [Relation patterns](/roamresearch-discourse-graph-extension/fundamentals/the-discourse-graph-extension-grammar/relation-patterns.md)
- [Specifying context for discourse relations](/roamresearch-discourse-graph-extension/fundamentals/the-discourse-graph-extension-grammar/specifying-context-for-discourse-relations.md)
- [Graph Querying](/roamresearch-discourse-graph-extension/fundamentals/graph-querying.md)