It means trade, warehouse, store, market or retail. It is also each food or products available for sale from a local retailer.
cram - refers to the expression: grocery, local or shop where goods are sold to the retail -
CRAM: Nautical, I roller small or wedge used to tighten the stowage, filling their gaps.
ABARROTE:1. ALIMENTOS.2 PAQUETES.3. PACKAGES.