Besides the symbols commonly used in mathematics and computer languages, the plus sign has many applications in daily life. For example, in the application of smart phones and computers, the plus sign usually represents the addition of new functions or new contacts; In social media, a plus sign usually means adding friends or following someone or a topic. The use of these symbols makes it easy for us to do what we want to do or find people or information we are interested in.
Generally speaking, adding symbols is a very useful expression tool, which is widely used. In different fields and occasions, symbols have different meanings, but they all have one thing in common, that is, they are used for connection and expression. As long as we are good at using these symbols, we can think and communicate more effectively and achieve our goals better.