Balboa is a smooth, lazy, closed hold jazz dance created on the over crowded dance floors of Southern California by teenagers rebelling against the stiff, formal styles of the older generation.
This video demonstrates what you will achieve on your own, ready to join a partner in a dreamy dance:
https://youtu.be/scrm6-KqiZo
The basic techniques you will learn apply to ANY style of dance you already do, or are thinking of starting.
If you dance Balboa as intended, with others on the social floor, it will involve chest to chest contact with them.