I think that the Social Web is a much more accessible term, but to me it is also something different.
For me, the Fediverse is the part of the social web using and linked together by the Activity Pub protocol.
The Social Web is at least theoritically bigger and might include other decentralized networks that don't connect directly with the Fediverse.
So, I like the term Social Web better, but I don't think it is interchangable with Fediverse.
@stpaultim in this distinction, is the functionality of the "social web" the same as the functionality of the "fediverse", even if there are additional protocols, or is there also additional functionality?