What is the function of little red dot, an iphone SMS editor?

First, on the main screen of the mobile phone, click the icon to open the application settings and enter the detailed panel of the application. Next, after reaching the detailed panel of settings, select the software that needs to be removed from the small red dot reminder, and click to enter the detailed panel. Simply put, it is to comment on the content of short messages, which respectively represent liking, liking, stepping on, being funny, marveling and questioning.