KanjiJLPT N5
Body

body, substance, object, reality, counter for images

Mnemonic

Butler Alfred found an ancient book titled 'The Perfect body.' Inside were secrets to maintaining peak physical form. Alfred followed every instruction, and now his body is so well-tuned he moves with supernatural grace—all thanks to that mysterious book.
Additional thoughts
Picture Alfred in his suit, flipping through a glowing anatomy book, each page illuminating a different part of the human body. Person (butler) + book = body.
Quick recall
Butler Alfred's book reveals secrets of the perfect body.

Details

The keyword for 体 is body. This kanji refers to the physical human body as a whole, encompassing the entire physical form of a person. It is used broadly to describe one's physique, health, and physical condition. By extension, it can also refer to the main part or substance of something, such as the "body" of an organization or object.
On'yomi
たい、てい
Kun'yomi
からだ、かたち