Unlike a web URL, a wikilink names another note in the same vault. Obsidian's backlinks pane and graph view are built from these pointers. Agents can follow wikilinks as a retrieval graph without a vector index, though many vaults use both.
A wikilink is a [[Note Name]] pointer between markdown files that tools like Obsidian resolve into clickable links and backlinks.
Unlike a web URL, a wikilink names another note in the same vault. Obsidian's backlinks pane and graph view are built from these pointers. Agents can follow wikilinks as a retrieval graph without a vector index, though many vaults use both.