Knowledge about bikes

Hey Reddit , I am new , i mean i just turned 20 ,to bikes but was always a fan of bikes and I would like to know about bikes and learn about the components and stuff and you know get into the conversation , I mean my friend group keeps talking about bikes and cars but I don’t have that deep of knowledge so I need some sources or channels from where I can learn the terms and gain some info , it can be for both bikes and cars