correct / right / proper

Kyūjitai form of 正四面体: regular tetrahedron

body

counter for humanoid objects

In general: the body, e.g. of a human or animal / substance; matter / form; shape / (algebra) field (commutative ring with invertible nonzero elements)

outward appearance; look; aspect

the fourth day of the month / four days

The state or ability of being transdimensional

another dimension, another level

the second dimension / (by extension, Internet slang) the 2D (i.e. anime, manga, video games, etc.) world; the fictional world