What is the abbreviation of short message? What is its concept, meaning and significance?

Chinese mainland called SMS, Hongkong called SMS, and Taiwan Province called SMS (Short Message Service), which is a kind of mobile phone service. The number of characters that users can send and receive short messages at a time, translated from English "short message service". Can be used on most mobile phones. Sometimes it is also called information, short message, short message, short message. This service also has many common names in English, such as "SMSes, Text messages, messages and even Text and txts". SMS was originally designed for GSM mobile phones, and now it can be used in almost any mobile phone system, such as 3G mobile phones.