Related Clues:

• Inscribe on a trophy, e.g.
• Make an impression on
• Make a deep impression on
• Drive-through sign
• Permanently mark, in a way
• Essential key
• Impress into memory
• ''Knock, knock'' response
• Come into a room
• See 7 Down
• Write on glass, e.g.
• Put words on a ring
• Parting request
• Key key on the keyboard
• Cut deeply