The wallet's page in the GUI will display your receive address and provide an interface for you to spend your chia funds. You can also obtain a new wallet receive address any time you would like and those funds will all come to the same place as they are based on HD Keys.
There is growing wallet functionality available on the command line. Try
chia wallet -h. Wallet software also provides features related to CAT's, and trade offers. You can get a receive address on the cli with
chia keys show.