Memo
Part of speech: verb
Definition: To record something; to make a note of something. To send someone a note about something, for the record.
Part of speech: noun
Definition: a short note; a memorandum
Example sentence: Memo to White House: Calling voters stupid is not a winning strategy.
Notice
Part of speech: verb
Definition: To observe or take notice of.To detect; to perceive with the mind.
Part of speech: noun
Definition: The act of observing; perception.A written or printed announcement.Formal notification or warning.A published critical review of a play etc.