1. A resource that acts as a proxy for some subject; the topic map system's representation of that subject. The relationship between a topic and its subject is defined to be one of reification. Reification of a subject allows topic characteristics[?] to be assigned to the topic that reifies it.
... the population are Hispanic or Latino of any race.
There are 605 households out of which 26.1% have children under the age of 18 living with them, 60.7% are married ...