A definitive article before nouns with with the suffix -'s. From English perspective, in such phrase what the definitive article "the" applied to? For example: the children's books Is it the "the" applied to the "children's" or to the "books"? and if it's applied to the "books", then how to say the same thing but about books not mentioned earlier (not specific books)?

what's the difference between "commencer", "lancer" and "démarrer"? For example, when I start my favorite computer game GTA Vice City by double-click on a shorcut on Desktop, which one is correct in this case: le jeu commence le jeu démarre le jeu lance ?

tu n'as pas d'élastes ? What does this question mean? Can it mean that you are being slow? I heard this phrase in an online computer game

Is it correct to say "a point of no return"? Or it should always be "the point of no return"?

Jaka jest różnica pomiędzy "ponieważ" a "bośmy"? Czy "ponieważ" to jest dlia liczby mnogą i "bośmy" jest dlia liczby pojedynczą?

Do you tip in Starbucks in the US? A question to Americans who live in the USA. Do you tip at Starbucks?

My relatively late-life enrollment was the result of a what Why is there an "a" before word "what" in the following sentence? I don't undestand. It's from one book. My relatively late-life enrollment was the result of a what I believed then was a misspent youth and I was atoning for the indiscretions of what I call my ‘rock star’ 20’s.

Frying without oil For example, you cook tomatos on a frying pan but you don't put oil. Can you say "I fried tomatos"? Or it is another verb we should use here? And can the cooked tomatos be called "fried tomatos"?

"régler" ou "payer" Which one is correct? puis-je régler par carte? or puis-je payer par carte?