it means see, it's also a programming language

As a programming language, see: C++.

It is also online jargon, known as text message shorthand, used in texting, online chat, instant messaging, email, blogs, and newsgroup postings, these types of abbreviations are also referred to as chat acronyms

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See also : SoIC  c ya  CUL8R  
NetLingo Classification: Acronyms and Text Message

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