MS Excel
Edit > Delete command

Deletes the comment of cell
Deletes selected cells
Deletes Formats of cell
Deletes the content of a cell

ANSWER DOWNLOAD EXAMIANS APP

MS Excel
Right clicking something in Excel:

Deletes the object
Selects the object
Nothing the right mouse button is there for left handed people
Opens a shortcut menu listing everything you can do to the object

ANSWER DOWNLOAD EXAMIANS APP