Transition can refer to a lot of different things, not just medical transition. if you start to ask others to call you by different pronouns for example that’s a form of social transition even if you’ve only chosen to come out to a few people
edit: To clarify I’m not saying you need to have even done that step to be valid as a trans person, it’s just likely that no one would know you’re trans unless you’ve at least taken that step
I want to try it just because it’s such good marketing