具体
ぐたい · gutai · JLPT N3 · noun
concrete
🧱 具体 = equipped + body: an idea that has been given a body
具 means to have or be equipped with, and 体 means body or form. Something 具体 has a real body you could point at, so it is concrete and tangible rather than abstract (抽象, ちゅうしょう).