Olukorratunnus, mis määrab kahe täiusliku elemendi vahelise või kahe mittetäiusliku elemendi vahelise tunnuse asukoha on asenditunnus, nagu nt koht, kontsentrilisus, samatelgsus, sümmetria, joonprofiil ja pindprofiil.
A situation characteristic defines the related location between two ideal features, between a feature portion and ideal feature, between a non-ideal feature and an ideal feature, and between two non-ideal features is a locatin characteristic.