What do screen names and snowflakes mean?

It's beautiful. I hope I can be as free as a snowflake, not bound by anyone, and add a snowflake pattern to the screen name. Sometimes I wish I could be as beautiful, pure and clean as snowflakes. Screen name generally refers to a virtual name of netizens in the online world. Including forum name, qq name, MSN name, game name, etc. Qq screen name is one of the screen names. Everyone is most familiar with the online name of Tencent qq and the corresponding virtual name on the chat software. It is random, unstable and unreal.