primary purpose

Their primary purpose is to provide energy to the cell.

Its primary purpose was service for the large system below.

But what is the, the basic primary purpose of it?

A town meeting is held there for that primary purpose each year.

This is their primary purpose, not simply making books available.

The primary purpose of a book is to be read.

The primary purpose of a State is to provide for the common good.

Their primary purpose is the conservation of nature and research.

Next, you must determine the primary purpose of your group.

Their primary purpose was to claim full political rights for women.