- Move by a word forward/backward (vim: w, b)
- Move by half a screen (vim: ctrl d, ctrl u)
- Delete a word (vim: dw, db)
- Delete a line (vim: dd)
- Creation/removing of cursors
- Save to a particular file from editor
- Open particular file in editor
- UI follows a cursor
- Tests
- Open file
- Edit content
- Save file
- Close without saving