Please report back to me after the meeting.

Back in the days, people used to communicate through letters.

If you want to become thin, you should cut back on the between-meal snacks.

She wore her shirt back to front.

Due to an accident, cars started to tail back on the highway.

They are ready to strike back against their opponents.

I decided to back out of the project at the last minute.

I cannot tolerate back-stabbing in any form.

I've been suffering from lower back pain for a few days now.