とは

What does とは mean in English?

1. indicates word or phrase being defined(exp, prt)
2. used for quoting (thoughts, speech, etc.)(exp, prt)
3. with(exp, prt)
4. (not) as much as; (not) so much as(exp, prt)
5. the fact that; to think that; such a thing as(exp, prt)