is it more meaningfull to introduce neo4j or other kg or ontology tool?
And furthur ,nodes in graph generated by mermaid link to a section of a note.
and more , a pard of a embeded image link to a section of a note.
All the above is for modeling our thought not only in literaturly manner, but also in a image or vedio manner.
I think if i can mix all the type of contencts and build the knowledge structure on them,then the obsidian can be called a second brain rather than note taking tool.