>>7744073There's 4
>NWA World (Direct to original)>Zero1 World (jumps around a bit and is disputed, but is tied to the original World Title)>WWE Championship (Currently unified with Universal)>Impact World (split from NWA)Almost everything else from a Major company had to build it's own legacy by either unification (Triple Crown) or defending them Worldwide (ROH).
Otherwise they are just regional World titles. (WWA for Los Angeles, GCW for New Jersey, etc)