It would be useful if element surfaces were linked to design options. This would be especially helpful for apartment block designs, as the Hotlinked units are the same across the various floors, expect the exterior cladding typically changes. Currently you have to create who...

It would be helpful in the Zone category menu if you were able to select any fill, with any foreground and background colour. For example you cannot see furniture below a default Zone without using overrides or adjusting the zone fill manually.