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- QR Code ScanningThe process of using a camera or barcode scanner to read a two dimensional Quick Response code and translate its grid of modules into data. The reader locates finder and alignment patterns, samples the symbol, and applies error correction to recover text, numbers, or a link. In warehousing and transport it is used to identify items, access records, track movements, confirm receipt, and trigger transactions in WMS or TMS. It works from printed labels or screens and holds more data than one dimensional barcodes.
- Quality Control (QC)A set of activities that verify products and processes meet defined requirements. In warehousing and fulfillment it covers inspections at receiving, putaway, picking, packing, and shipping; count and barcode checks; packaging and labeling review; sampling against acceptance standards; and functional or visual tests when specified. Findings are recorded, defects are segregated, and rework or return steps follow documented procedures. QC results feed metrics such as defect rate, on time performance, and provide audit trails for compliance.
- Quarantine StockInventory that is isolated and blocked from use or sale in a warehouse or warehouse management system pending review or clearance. It is placed on hold for reasons such as failed inspection, suspected damage, temperature excursion, labeling or lot discrepancies, recall, missing documentation, or expired dates. The inventory is physically and systemically segregated, not available for allocation or picking, and remains on hold until a recorded disposition such as release, rework, return to vendor, scrap, or downgrade.
- Quick CommerceA retail and logistics model for very fast local delivery of online orders, typically completed within minutes to two hours. It uses micro fulfillment sites or dark stores placed near customers, real time inventory, app based ordering, and courier fleets on bikes, scooters, or cars. Assortments focus on fast moving goods such as groceries, personal care, and convenience items. Core operations include short delivery radii, rapid picking, order batching, and live tracking.