Many things were marked with seals in ancient Rome to indicate possession.

East was indicating possession of the heart ten, and West therefore returned his deuce.

Genitive usually indicates possession or belonging, but is also used to show origin and others kinds of relationship.

At one time, obsessive or compulsive behavior was thought to indicate demonic possession.

It can also indicate current possession, meaning that the possessed object is within reach of its owner.

It is also used to indicate possession or ownership.

Other constructions have to be used to indicate possession.

Five diamonds was a further inquiry, and the jump to six hearts indicated possession of the heart queen.

It indicated possession, and it is preserved today only in literary Arabic.

Whenever someone wants to indicate possession of anything, he or she "is having" that particular object.