They serve the turn by providing valuable information.

He likes to turn the knife and make people feel bad about themselves.

The cat turns tail and runs away.

He was turning tail and running away from the danger.

He turned tail and ran away.

He decided to turn again and go back home.

They took turns playing the piano.

They take turns playing the game.

We have taken turns playing the game.

The sailboat showed an impressive turn of speed as it raced across the water.