Whats the difference between robbery, burglary, and theft?

Theft is taking something that doesn’t belong to you.
Robbery is theft by force.
Burglary is theft by breaking and entering.

Theft usually applies to things such as cars, robbery refers to people being there while things are being stolen, and burglary would be something like an office building after hours. Now those are what I see, that might not be the case in actual definitions.

Well Wikipedia says that Theft is stealing and Robbery is seizing property through violence or intimidation, and Burglary is Breaking and Entering

Burglary is breaking in to somewhere, robbery is taking from a person, theft is just stealing something from a store

You respond to a disturbance at a residence. Upon arrival uou discover a domestice dispute in progress. The male advises you that the lease is in his name and that he wants the other person removed. The other person has lived there unofficially for over two weeks. What action can you take?