The marking ink is designed to be permanent and won't wash off.

I always mark down the prices during the end-of-season sale.

Where is the question mark?

I can't believe it! There's an exclamation mark at the end of the sentence.

His guess was wide of the mark.

The flood reached its high water mark, causing extensive damage to the surrounding area.

He is a skilled marksman.

His marksmanship is exceptional.