Meanings

say; tell; speak; talkTo verbally present a fact or one's thoughts or feelings.
tell; ask; requestTo ask something.
tell; show; indicate; suggest; imply; demonstrateFor a certain phenomenon to present a certain fact.
mean; refer toTo indicate a certain meaning.
speaking ofAn expression used to affirm or stress something before starting to talk about it.
so to speak; as it were; that is to say; in other wordsAn expression used to rephrase something mentioned earlier with easier and simpler words or add an explanation about it.