but why

Just something you'd do with a Range reference. Not worth the time to write a blogpost about it. let alone read it.

So... They made a list?

Wow! Must be nice to pay Microsoft forever for slopwhare.

Without clicking through; is this not just Data Validation, or something from that same menu group?

I remember using that to keep track of my gear in tabletop RPGs, like, nearly 20 years ago. 😶