What is the meaning of Belong?

To have its proper place.

To be accepted in a group.

To be a part of a group.

To be part of, or the property of.

To be the spouse or partner of. (Can we add an example for this sense? )

(followed by to) To be an element of (a set). The symbol ${\displaystyle \in }$ means belongs to.

To be deserved by.

Of, belonging to.

of; belonging to

Source: wiktionary.org