In this composite Indus sign, the classifier for teams of draft animals is surrounded by four points of darkness. Each point of darkness signifies that something is false. In other words, it is
not possible. It follows that this is an ideograph for draft animals cannot.
Ilustrative Text Reference:
Mohenjo-daro: Seal: M-1730 a: Asko Parpola, B. M. Pande, and Petteri Koskikallio, 2010: Corpus of Indus Seals and Inscriptions: Volume 3,1: Page 33: New material, untraced objects, and
collections outside India and Pakistan: Suomalainen Tiedeakatemia.