Unicode is a standard for the consistent encoding, representation, and handling of all most all the text in the World. The standard, which is maintained by the Unicode Consortium. In this repository you can find many useful information to understand the 'Unicode' standard well.
You are dealing will many text data every day so having a good understanding of 'Unicode' standard will help you during your programming, etc.
Explaining everything by showing a solution to a common problem -> 'HOW TO PRINT UNICODE IN COMMAND PROMPT'.
After watching the following video, you will get better understanding of following things.
Repository for Unicode related things