That was originally part of the IBM Common User Access style guide 80/90s, back when user interfaces for software valued function over form. https://ia800200.u

That was originally part of the IBM Common User Access style guide 80/90s, back when user interfaces for software valued function over form. https://ia800200.us.archive.org/0/items/ibmsj2703E/ibmsj2703E.pdf https://ia800200.us.archive.org/0/items/ibmsj2703E/ibmsj2703... the figure on page 2 shows exactly what you are describing.