What are the signs of laity?

The tasteless things that most people are passionate about can become vulgar. Vulgar, refers to something done by some inferior people. For example: 1. Like many people, you laughed a lot because of someone's little thing (for example: someone accidentally hit a gap in class, and you laughed like the whole class. In short, it's a scandal. Take it as a joke.) 2. Use ugly things as beauty. For example: Many disruptive students make strange and attractive noises during class. They feel proud that the teacher is staring at them and the whole class is looking at them. Thinking of yourself as awesome. In short, it is just to show off the behavior that one feels is very impressive. 3. Vulgar actions. For example: some people make a sweet image or a slave image in order to win favor with women or to build a relationship with their boss. The monument bows its knees...