What is the meaning of Inclusion?

An addition or annex to a group, set, or total.

The act of including, i.e. adding or annexing, (something) to a group, set, or total.

Anything foreign that is included in a material.

Any material that is trapped inside a mineral during its formation, as a defect in a precious stone.

A nuclear or cytoplasmic aggregate of stainable substances.

An object completely inside a tissue, such as epidermal inclusion cyst, a cyst in the epidermis.

A mapping where the domain is a subset of the image.

Restriction; limitation.

inclusion

inclusion

Source: wiktionary.org