Tantek shares a fascinating history lesson from Tim Berners-Lee on how the IETF had him change his original nomenclature of UDI—Universal Document Identifier—to what we now use today: URL—Uniform Resource Locator.
Why you should say HTML classes, CSS class selectors, or CSS pseudo-classes, but not CSS classes - Tantek
I love that Tantek is as pedantic as I am …although I don’t think “pedantic” is exactly the right word.
The thought process behind trying to abstract class names that are used for layout in responsive designs (and can therefore refer to different widths depending on the context). Here, the author settles on letters. In the past, I’ve approached the same kind of abstraction by using latinised names.