What does todo been mean?
I don't know how to use "todo" like this but does it means "do you like it?"?
It used in restaurant. I thought he just ask after her (todo bien?) at dinner but he said same word again.

Question

Answer

You are right. "¿Todo bien?" may mean, in the context you are talking about, "do you like it?", "did you enjoy the meal?". Literally, it means "Is everything OK?".

A possible answer is "Todo bien", meaning "everything is OK" or "everything is fine".

Answer

todo =all/everything           
bien = well/fine/good/alright

Answer

todo = all
bien = good
todo bien = all right

Answer

It can mean all, everything or even everyone.

Answer

todo = all

Nie przegap okazji, by nauczyć się języka w zaciszu własnego domu. Przejrzyj naszą ofertę doświadczonych korepetytorów i zapisz się na pierwszą lekcję już teraz!