Reserved -- shouldn't be used for most new questions. Questions with a broad scope about general methods and concepts, such as proof methods, tools for algorithm analysis or basics of computer architecture. This is not for questions asking for references, i.e. books or articles.

Questions with a broad scope about general methods and concepts, such as proof-methods, tools for algorithm analysis or basics of computer architecture. Answers apply to many more specific problems.

See our full, ordered list with an explanatory text.

This is not for questions asking for references, i.e. books or articles introducing a certain concept or providing a certain result; for such use . This tag is semi-reserved and should not be used for most new questions. If you're not sure whether this tag is applicable: err on the side of not using this tag.