What is the name of a grammatical construction where two expressions switch their canonical order?

this is a very simple Concept in the construction of how the English language Works. However this explanation could not possibly have been more confusing.

is that explanation even English??? I got a lucky guess by not overcomplicating the answer, but the explanation... 😂

i had to read that about 5 times! 🤣

Some people think that nerds only deal with computers but there is no nerd like a grammer nerd.

Yoda, a good example is

Make that grammar.

Pepper, Maybe it's passed through a few translations en route. 🤔

The answer was easy...it was the question....et cetera...