This indicates the zone this Macintosh is in. This zone cannot be changed while this Macintosh is connected via AppleTalk Remote Access.

This Macintosh is on a network with more than one local zone. To change zones, select another zone from this popup menu.

This Macintosh is on a network with one zone. This indicates the zone this Macintosh is in.

This Macintosh is on a network with no zones.