Generally, you circle the dance floor counterclockwise, which is called the dance line in the national standard dance. Dance changes such as turning around are mainly to obtain richer dance effects. Of course, jumping to the edge of the dance floor needs to go on in a different direction.
You have to tell your partner with body signals, of course, this needs more in-depth research. You can discuss with your partner what steps to take first.
P.s., it seems that you have just started. I suggest you take your time and don't worry.