I will look at rewording things on my games page a bit.
Every NPC has a daily routine setup with the time system. You will find them messing with things, meeting other NPCs, going down hidden paths, leaving items under bookcases, et cetera. I only had one routine fully implemented until today. It does, in some cases, take a few in game days to get to that content but I am working on fleshing everything out. I am just greatly limited on work time by my caretakers. >.<