(Jazz Square, Jazz Box) Well there's plenty of fight over this one, but I call a jazz box several ways (then explain which one I'm using either in class or in my step description) it may not be right, but it works for me. a couple of examples

Step forward left Step right across left Step back left Side step right
or:
Step right over left Step back left Side step right Step forward left
Jump spring into the air off both feet and land on both feet.