གཟུགས་གཉིས་ Transliteration: gzugs gnyis <phrase> "The two forms" meaning the two types of visual form: 1) དབྱིབས་ཀྱི་གཟུགས་ visible forms which are shapes; and 2) ཁ་དོག་གི་གཟུགས་ visible forms which are colours.