For Wittgenstein - in philosophy, one always refers to the early or later Wittgenstein; they're totally different, and saying 'for Wittgenstein' without specifying which one doesn't make a lot of sense. The early (Tractatus) one had a picture theory of language.[0]
[0] https://en.wikipedia.org/wiki/Picture_theory_of_language
[1] "One day when Wittgenstein was passing a field where a football game was in progress the thought first struck him that in language we play games with words. A central idea of his philosophy, the notion of a ‘language-game’, apparently had its genesis in this incident." - Norman Malcom, Ludwig Wittgenstein: A Memoir
I can't resist a more entertaining extract from that book:
"My wife once gave him some Swiss cheese and rye bread for lunch, which he greatly liked. Thereafter he would more or less insist on eating bread and cheese at all meals, largely ignoring the various dishes that my wife prepared. Wittgenstein declared that it did not much matter to him what he ate, so long as it was always the same. When a dish that looked especially appetizing was brought to the table, I sometimes exclaimed 'Hot Ziggety!' - a slang phrase that I learned as a boy in Kansas. Wittgenstein picked up this expression from me. It was inconceivably droll to hear him exclaim 'Hot Ziggety!' when my wife put the bread and cheese before him. ...
One of Wittgenstein's favourite phrases was the exclamation, 'Leave the bloody thing alone!' He delivered this with a most emphatic intonation and mock solemnity of expression. It had roughly the signification that the thing in question was adequate and one should not try to improve it. He used it on a variety of occasions: one time meaning that the location of his bed was satisfactory and it should not be moved; another time, that the mending that my wife had done on a jacket of his was sufficient and that she should not try to make it better."