|The best description for the role of this component I can come up with is:
|Random utilities for building UIs.
|... that's kind of sad, since I like components that are focused on specific
|purposes, but there always seems to be one of these gathering places in a
|project and this is it. Specifically, code seems to be added here because it's
|needed by more than one toplevel directory.
|Over time, we should shrink this component and move focused, related items out
|into separate components under src/ui (see previous examples in ui/gfx and