A building which has become a point of reference because its height, siting, distinctive design or use sets it apart from surrounding buildings. Examples may include churches and other important civic buildings such as town halls.
in the context of a menuing system, nodes that are frequently accessed and that represent transition points between states or kinds of environments; like geographical landmarks or anchor points that the user can return to when restarting a search; also called "cognitive landmarks" (Norman, 1991, p. 230).