klar

clear; transparent; bright

clear; unambiguous; understood

"War meine Frage nicht klar genug?"

obviously, surely

okay!; sure!; all right!; spontaneous agreement to a proposition

"- Kann ich mir kurz dein Handy ausleiehen? - Klar, gerne."

sure!, of course!; strong agreement to a statement

yeah, right!; sarcastic expression of disbelief