for text and line drawings starting at `y=top` on the app window, between
  `x=left` and `x=right`. Wraps long lines at word boundaries where possible,
  or in the middle of words (no hyphenation yet) when it must.

  for text starting at `y=top` on the app window, between `x=left` and
  `x=right`. Wraps long lines at word boundaries where possible, or in the
  middle of words (no hyphenation yet) when it must.