@oriskany one of the main reasons I chose Oathmark for my Dwarf army is because of the archer figures. That and everyone wears chainmail.
The bases for the Ork aircraft have several game functions. Mostly facing for the bases proper but there are dials for speed and altitude.
If you scrounge up an old Ork codex there’s actually an explanation of all the symbols and yeah, that’s the symbol for explosions. Also, yellow is supposed to make things more explosive so that’s why the bombs are yellow.
And purple is the color of stealth …
