The letter 'é' is an example of a diacritical mark.

I always forget to put a punctuation mark at the end of my sentences.

His guess was wide of the mark.

The hedge fund implemented a new mark-to-market policy to ensure timely asset revaluation.

The new technology has really made its mark in the industry.

She really made her mark in the business world.

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

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

The construction workers are marking off the area for the new building.

I studied really hard and managed to get full marks on the exam.