Hello. Literally, it means affirming a person in her heart, which may be for ordinary friends, boyfriends or meaningless. Is to let her take the initiative to add others, so that others can live easily, and people will think that she is a very friendly person and likes to make friends. Just like greeting each other in English, it's no different from this.

Personalized signature means that you can set your own signature after registering on WeChat, that is, the text displayed at the bottom of each post is a bit like a note. Because every netizen writes different words, such as aphorisms, proverbs, teasing sentences and so on. , but also with pictures and animations as signatures, full of personality and different styles.