- (of a correspondence) aðmengi, bakmengi
= latent range 1, range carrier 1
-> actual range - (of a mapping) aðmengi, ítak, bakmengi
= codomain 1, latent range 2, potential range, range 2, target set - (of a morphism) aðhlutur, bakhlutur
= codomain 2, range 4, range carrier 2