comprise / compose / constitute

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A whole comprises parts.

Compose and constitute refer to the parts that make up the whole.

Don’t use is comprised of.

Tip:
Even some native speakers of English have trouble with the verb to comprise. If possible, use trouble-free synonyms such as consist of, include, or contain.

Yes:

The office suite comprises a word processor, a spreadsheet application, and a database.

Top:

The office suite includes a word processor, a spreadsheet application, and a database.

Yes:

The manual comprises seven chapters.

Top:

The manual consists of seven chapters.

Yes:

The CPU, the hard disk, the keyboard, and the display constitute the device.

Top:

The device consists of:

CPU

hard disk

keyboard

display

Yes:

The training is composed of 6 lessons.

Top:

The training includes 6 lessons.