They are called functions on a spreadsheet.
Keyboard and mouse are input/output
Webcam and microphone are audio/visual
Answer:
The answer to this question is Control(ctrl).
Explanation:
We use control(ctrl) key when we need to select multiple entities.
So when we want to select more than one sketched entity we need to press and hold the control key on the keyboard when we are selecting the items.
Hence we conclude that the answer to this question is Control(ctrl).
