What if we decide the term "container" has too much existing baggage in CSS, & we need a better name for what we want to query? "Element" is also very generic & has existing meaning. Are "module" & "component" too worn out? Any other ideas? The element you want to query is a…

I like box or block. Box because of the box model, block because of the margin-block, padding-block stuff.

But those existing uses are exactly the reason we probably can't use those terms. It's confusing if "block" or "box" has two distinct technical meanings in CSS.