concrete is a thing and abstract is a feeling or something you can not see
its a concrete noun. because its a solid person place or thingan abstract noun is more of an idea or thought. like love would be abstract
If you look in a mirror can you see your eyes? If they were abstract you couldn't.
Abstract. You can't 'see', 'feel', 'taste', 'smell', or 'hear' excitement, but for its effects you can.
Abstract.