ZeitgeistEvent — Event objects abstract Zeitgeist events
ZeitgeistLog — Primary access point for talking to the Zeitgeist daemon
ZeitgeistMonitor — Listens for updates to the Zeitgeist event log
ZeitgeistResultSet — Cursor-like interface for results sets
ZeitgeistSubject — Subject objects abstract Zeitgeist subjects
ZeitgeistTimeRange — Immutable representation of an interval in time, marked by a beginning and an end