Full Idea
Russell's theory of definite descriptions proceeds by sketching the truth conditions of sentences containing descriptions, and arguing on various grounds that they are the correct truth conditions.
Gist of Idea
The theory of definite descriptions aims at finding correct truth conditions
Source
report of Bertrand Russell (On Denoting [1905]) by William Lycan - Philosophy of Language Ch.9
Book Reference
Lycan,William G.: 'Philosophy of Language' [Routledge 2000], p.131
A Reaction
It seems important to see both where Russell was going, and where Davidson has come from. The whole project of finding the logical form of sentences (which starts with Frege and Russell) implies that truth conditions is what matters.