You use own to indicate that something belongs to a particular person or thing.

You use own to indicate that something is used by, or is characteristic of, only one person, thing, or group.

You use own to indicate that someone does something without any help from other people.

If you own something, it is your property.

If you have something you can call your own, it belongs only to you, rather than being controlled by or shared with someone else.

If someone or something comes into their own, they become very successful or start to perform very well because the circumstances are right.

If you get your own back on someone, you have your revenge on them because of something bad that they have done to you.

If you make something your own, you become involved in it in such a way that people think of it as being related only to you or belonging only to you, rather than to anyone else.

If you say that someone has a particular thing of their own, you mean that that thing belongs or relates to them, rather than to other people.

If someone or something has a particular quality or characteristic of their own, that quality or characteristic is especially theirs, rather than being shared by other things or people of that type.

When you are on your own, you are alone.

If you do something on your own, you do it without any help from other people.

If you say that someone does something as if they own the place or like they own the place, you are critical of them because they do it in a very arrogant way.