Abbreviation for Point of Sale, referring to the location or system where retail transactions are completed.
Acronym formed in the mid-20th century as retail technology developed. Combines 'point' (specific location), 'of' (indicating relationship), and 'sale' (transaction), reflecting the precise moment and place of commercial exchange.
POS systems revolutionized retail by digitizing the exact moment money changes hands - what was once just a cash register became a data collection powerhouse that tracks inventory, customer behavior, and business patterns in real-time.
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