The whole area of the park is covered with flowers.

A regular polyhedron is a polyhedron where all faces are the same shape.

This document clearly explains the details of the contract.

He sat on the back of the chair.

In this situation, I'm thinking about which piece to move.

A large advertisement was posted on the front of the bus.

I blushed at her joke.

He blushed with shame.

He threw a stone on the surface of the water.