four corners

four corners pl (plural only)

1. (law) The face of a document or its contents, considered without reference to any outside information.
   • 2020 December 1, Charles Joseph Scarborough, “Morning Joe for December 1, 2020” (1:23:00 from the start), in Morning Joe‎^[1], via MSNBC:

     If Republicans don't think it's a coup or doesn't fit this definition of a coup in all four corners then I'd love to hear what they would call it.

2. (US, slang) A major intersection and/or economic center in a town.
   • 2023 January 16, Dan Carlin, “Twilight of the Aesir” (2:37:17 from the start), in Hardcore History:

     You would say, in an American town, you say it's four corners, where...where a bunch of places come together.