Don't worry too much about a label yet but also don't go along with a relationship if you don't want one.
I won't go into too much detail because I don't really want to talk about sexuality with a minor...but I'll just offer a bit of advice: Don't do what I did when I was younger.
I thought you had to be in a relationship because...let's not go there. And I forced myself to go along with a relationship even though it was increasingly not what I wanted and making me feel very put upon and claustrophobic. I ended up with someone moving across multiple time zones for me only for me to find that in reality I hated relationships and really wanted my singlehood privileges back. He ended up stranded far from home in a country where he didn't even speak the language.
So basically...Don't be me at 20 lol.
Don't worry about finding the exact label that suits you but also absolutely don't go along with relationships because you think it's a normal milestone you have to reach or because you don't see other options.