noun The act of clarifying; the act or process of making clear or transparent by freeing visible impurities; particularly, the clearing or fining of liquid substances from impurities via the separation of the insoluble particles which prevent the liquid from being transparent.
The clarification of wine.
noun The act of freeing from obscurities; disambiguation.
Your ideas deserve clarification.
noun An explanatory comment on, or question about, a point of obscurity.
Let me make just one clarification: did he kiss her, or did she kiss him?
noun A small piece of writing supplemental to a previously published text, intended to disambiguate, explain away obscurities, but not contradict or emend the text (as would a correction).
noun Clarity, transparency, mutual understanding; to be clear.
So, just for clarification, you're saying your Chihuahua ate your homework?