The bird flew freely in the sky.

She is very friendly and always willing to help others.

The frigate patrolled the waters for enemy submarines.

The explorers reached the frontier of the unknown territory.

She is known for being frugal and never wasting money.

He always fulfills his promises.

The fume from the factory filled the air with a foul smell.

This software has many functional features.

The functionality of this device is impressive.

This book provides a fundamental understanding of the subject.