It is the primary color of the paint.

Primary education is essential for the development of children.

Historians often turn to primary sources to obtain authentic information about history.

The primary tense is used to express a habitual action in the past.

My son goes to the local primary school.

The primeval forest is home to a wide variety of plant and animal species.

The primary key of a database table uniquely identifies each record.

Primary schools are important for children's education.

Primary elections are important for democracy.

Primary keys are essential for the database.