Entity
From Freebase
An entity is a single thing or concept that exists in the world. In Freebase terms, each entity is represented by a Topic node in the graph, and has a unique Id.
Examples of entities:
- Olivia Newton-John
- Battle of Trafalgar
- the colour Blue
Things which are not entities:
- things expressed by adjectives or verbs, eg. "funny" or "speak"
- disparate groups or collections, eg. "people with blue eyes"
- higher-order ideas about things, eg. "history of Cambodia"