Full Idea
When we say that the word 'and' has meaning what we mean is that it works in a sentence and is not just a flourish.
Gist of Idea
Saying 'and' has meaning is just saying it works in a sentence
Source
Ludwig Wittgenstein (Lectures 1930-32 (student notes) [1931], B VIII.2)
Book Reference
Wittgenstein,Ludwig: 'Lectures in Cambridge 1930-32', ed/tr. Lee,Desmond [Blackwell 1980], p.43