This is kind of related feature request:
Although instead of bookmarking we should have option to copy Obsidian URI for that corresponding local graph. You can already copy Obsidian URI to regular notes which could include dynamic queries (Bases, Dataview or Datacore) to backlinks. With two monitor setup one could use flashcard software in monitor 1 and then display additional details in monitor 2 by left clicking a link in monitor 1.