Full Idea
A name means an object; an object is its meaning. ...A name cannot be dissected further by means of a definition: it is a primitive sign.
Gist of Idea
A name is primitive, and its meaning is the object
Source
Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921], 3.203/3.26)
Book Reference
Wittgenstein,Ludwig: 'Tractatus Logico-Philosophicus (Pears)', ed/tr. Pears,D. /McGuinness,B. [RKP 1961], p.12
A Reaction
This is the optimistic view of names, that they are the point at which language plugs into the world (Russell preferred demonstratives for that job). Kripke's baptismal view of names has the same aspiration.