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This question already has an answer here:
Why are there required tags? (discussion, bug , feature-request, support)
Why must I choose one of those tags every time I want to post a question?
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
It is explained in the Tour page:
Any other question will simply be off topic.
6 years, 3 months ago
2 years, 4 months ago