BDSM and what to do

Jasmene
So there's this guy that I've known for a while that doesn't live where I do but is moving here in September and we have had a thing for the past 9 months and are planning on have sex when he moves here and he told me the other night that he wants to do BDSM and DD/LG stuff. I didn't know what it meant so I looked it up and it's like dominant and submissive kind of stuff (if I'm not mistaken) and I'm not 100% sure what to do. I think it would be kind of cool to try and was wondering if anyone has done it and what their thoughts are on it and what it's like