Help:HotCat

Categorisation Category page descriptions → What categories are not → Category naming conventions → "Real world" versus "from the real world" → Category tree → Beware recursion → Don't over-categorise → Rule of three → Even good categories can be removed → HotCat

HotCat (and its sister, CoolCat, soon to come) is a gadget which allows you to easily add, remove or modify an article's categories without opening the edit page.

Remember to follow rules like Don't over-categorise and Category naming conventions whenever using this tool.

More to come.