This is (the start of) an event-based model of the W3C process; e.g. RECdd is the class of Recommendation Director's Decisions; i.e. messages to w3c-ac-members announcing a new W3C Recommendation.
Another work has superseded this one, which should not be considered as current any more.
Specs that shouldn't be used anymore because a newer one is available
this Work supersedes what was one in that Work