belonging to or associated with the person or people being addressed you
your house
your children
your being chosen
your acquittal
belonging to or associated with an indefinitely indicated person or people in general
When you face north, east is on your right
used in titles
Your Majesty
informal used to indicate something or somebody well-known and characteristic
He's not your typical commuter
[Old English ēower, genitive of gē ye1]