Affair
Part of speech: noun
Definition: That which is done or is to be done; matter; concern; business of any kind, commercial, professional, or public; — often in the plural. Any proceeding or action which it is wished to refer to or characterize vaguely. An action or engagement not of sufficient magnitude to be called a battle. A material object (vaguely designated). An adulterous relationship. (from affaire de coeur.)
Example sentence: A poet never takes notes. You never take notes in a love affair.
Thing
Part of speech: noun
Definition: That which is considered to exist as a separate entity, object, quality or concept.A word, symbol, sign or other referent that can be used to refer to any entity.An individual object or distinct entity.whatever can be owned.the latest fad or fashion.clothes, possessions or equipment.A unit.In Scandinavian countries, a legislative or judicial assembly.(in certain fixed expressions) A problem, dilemma, or complicating factor.A penis.A living being or creature.That which matters; the crux.
Example sentence: Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.