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To prevent the tagging system from becoming a mess, let's assemble a list of tags that are a bad idea, and what the suggested good alternatives are.
One topic per answer, please.
clipboard is an overloaded term. Instead, use os-clipboard for questions about interacting with the operating system's clipboard or register for vi registers.
help, because "help" is the point of the site. I can already see it being used by people "needing help". Better to use help-system if you have a question about Vim's :help.
Does tab (or tabs) refer to the Tab key, tab-indentation, or tabs in de UI?
movement and navigation are too vague. Instead, use