penteract

(concrete noun) The name of the fifth dimension and five-dimensional space.
(abstract noun) Beyond everything known and unknown

Just as one dimensional beings wouldn't be able to make sense of us 3-dimensional beings, although a two dimensional being theoretically could, a 3-dimensional being probably would be unable to percieve or even see a slice of the penteract. Only a being from the tesseract could.

by herobrine049X September 13, 2022