being part of the whole; contained; covered: Breakfast is included in the price of the room.

What does it mean by including?

: to have (someone or something) as part of a group or total : to contain (someone or something) in a group or as a part of something. : to make (someone or something) a part of something.

Does including mean only?

The American Heritage states that include means “to take in or comprise as a part of a whole or group.” Likewise Merriam-Webster's emphasizes that “Include suggests the containment of something as a constituent, component, or subordinate part of a larger whole.”