If you modify an Indus symbol by adding one point of light at each of the cardinal points, it signifies that the statement is true everywhere. This is the noun general porter combined with the
adverb everywhere. Hence, the translation is general porter all areas.
Illustrative Text Reference:
Mohenjo-daro: Seal: M-130 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 43: Collections in India: Suomalainen Tiedeakatemia.
Indus Script Sign Number 26: Sign List of the Indus Script: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.