Do you have any idea what you're talking about, or are you merely trolling?
There is lying, there is lying-by-omission, there is tactfully avoiding something because it's embarrassing, there's knowing why something is unimportant but not explaining why, there's taking it for granted someone you're talking too knows why, and there's full disclosure.
May I suggest your reply on this answer is toward the earlier end of the set of characterizations just supplied.