Angel/Round A/Round B and afterwards was already pretty well defined back in the day. What's changed is really the pre-seed/seed with more granularity, as well

Angel/Round A/Round B and afterwards was already pretty well defined back in the day. What's changed is really the pre-seed/seed with more granularity, as well as the huge C,D,E etc. rounds that now can be made by massive funds instead of going public. But the core rounds are mostly similar.