Definitions in this listing are extracted from the following ICAO documents:
ICAO RULES OF THE AIR, ANNEX 2
PROCEDURES FOR AIR NAVIGATION SERVICES — AIR TRAFFIC MANAGEMENT, PANS-ATM (Doc 4444)
PROCEDURES FOR AIR NAVIGATION SERVICES — AIRCRAFT OPERATIONS, PANS-OPS (Doc 8168)
DEFINITIONS
AERODROME TRAFFIC ZONE
An airspace of defined dimensions established around an aerodrome for the protection of aerodrome traffic.
It's worth to have Jepp text book handy.