Term: a word or phrase used to describe a thing or to express a concept [1]
Concept: an abstract idea. Concepts are expressed by terms. [1]
Fact: Facts relate terms [2]
Fact Type: a fact type is an association between two or more concepts
Vocabulary: the body of words used in a particular language or in a particular sphere [1]
Terminology: the body of terms used in a subject of study, profession, etc. [1]
Fact Model: A fact model establishes the basis for shared operational business knowledge. [2] This model is usually graphical and can also be called the business object model or BOM.
voiD (from "Vocabulary of Interlinked Datasets") is an RDF based schema to describe linked datasets. With voiD the discovery and usage of linked datasets can be performed both effectively and efficiently.
Herein is a complete list of "wwftd"s™ dating from ca. 1987 to present. This started as a "word for the day up on the blackboard" sort of thing and has degenerated into its current form; irregular distribution to a mail list via e-mail... and now this.