In a settlement, movement between buildings is made easier by streets. This ideograph is based on a street plan in which two roads converge in the top corner. You should note that the shape
follows that of the streets shown in the symbol for city. Hence, it is the noun street corner.
Illustrative Text Reference:
Harappa: Tablet in bas-relief: H-201 A: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 212: Collections in India: Suomalainen Tiedeakatemia.
Indus Script Sign Number 135: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.