Through light one perceives forins. Form is of various kinds, Short, tall, thick square, round, white, black, red, blue, yellow, reddish, hard, bright, smooth, oily, soft and terrible.
ज्योतिः पश्यति रूपाणि रूपं च बहुधा स्मृतम्। ह्रस्वो दीर्घस्तथा स्थूलश्चतुरस्रोऽनृवृत्तवान्॥ शुक्ल: कृष्णस्तथा रक्तः पीतो नीलारुणस्तथा। कठिनश्चिक्कणः श्लक्ष्ण: पिच्छिलो मृदुदारुणः॥