paste button
Clipboard
No, when you paste it simply pastes in a copy from the clipboard. Your clipboard will not be cleared until you clear it manually or if it becomes full which then it will begin to delete the items from oldest-newest.
That would be - Paste
It's the 'paste' button.
Usually, yes.
Ctrl + V
office clipboard
Paste Special....
Clipboard memory
The Clipboard.
Cut or copied text is moved to the clipboard (or Office clipboard), then pasted wherever you move the cursor and click to indicate an insertion point.
Paste Options (small "smart icon" that looks like a clipboard) or Paste Options button would allow you to change the format of pasted items.