In Obsidian, drag and drop is used in plenty situations to speed things up.
Other than [[Working with multiple notes#5 Panes can be rearranged by dragging|dragging panes]], you can also drag files to perform many tasks.
You can drag files from:
- [[File explorer]]
- [[Starred notes]]
- [[Search]] results
- [[Backlinks]]
- Links in a note
- Files in your system explorer
After dragging them, you can drop them into places for various purposes:
- Onto a note to insert link at cursor position
- Onto pane header to open file in that pane
- [[File explorer]] to move the file into a folder
- [[Starred notes]] to star the file
- An external text editor program to insert Obsidian URI to the file