In its original meaning, it refers to a club, which has the nature of membership and is a group with specific activities organized by a group of people who like a certain project. This kind of organization is relatively closed. You can join it if you don't want to. Need to be recommended by referees, there are certain barriers.
It is similar to a nightclub in China, with loud music and bright dance floor lights. Wine is also sold here, but music and dance floor are the key points. Seeing colorful lights in movies or photos, people have to shout to their ears with their mouths to hear them. This is what they can see.
Bar:
Usually just sitting at the counter and drinking in a high chair. Alcohol focuses on spirits, cocktails and the like. Come here with friends for a drink, chat or watch the ball together after work. The man in the film ordered a glass of wine and then started chatting up the beautiful women next to him leisurely. Most of the scenes are also in this bar.