Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I find this badge tip extremely confusing: tag editor. What is meant by the text provided?
You get it the first time you edit a tag wiki.
A tag wiki provides extended information about a tag, which can help to set the boundaries of how it's used. Here's the command-line tag wiki as an example.