Direct definitions
Each glossary article starts with the plain-language meaning before moving into formulas, examples, common mistakes, and software implications.
Definitions, formulas, and worked examples for PAR levels, safety stock, reorder points, EOQ, decay rate, and other inventory and procurement concepts.
The glossary is the reference layer for procurement, inventory, and replenishment terms that operators use when moving from manual buying to software-supported workflows. Each definition is designed to answer the term directly, show the formula or decision rule when one exists, and explain where the concept belongs inside a working procurement process.
Use these pages when you need a fast, precise explanation of reorder points, PAR levels, safety stock, EOQ, minimum order quantities, lead time, sell-through, decay rate, stockouts, and adjacent purchasing vocabulary. The intent is practical understanding, not academic abstraction.
Each glossary article starts with the plain-language meaning before moving into formulas, examples, common mistakes, and software implications.
Terms are tied back to demand, lead time, supplier constraints, storage limits, carrying cost, and reorder quantity decisions that affect real buying work.
The goal is to help buyers understand which concepts belong in alerts, purchase orders, supplier conversations, approvals, receiving, and reporting.
50 articles
Compare delayed delivery, backup supply and substitutions using the same demand timeline and incremental costs.
Read article ->Calculate an order-up-to target using a defined review horizon, inventory position and explicit safety and loss assumptions.
Read article ->Calculate a demand-variability buffer under stated assumptions and distinguish service targets from guaranteed availability.
Read article ->Calculate a replenishment trigger from lead-time demand and safety stock, while checking inventory position and inbound orders.
Read article ->Model quantity loss with a defined inventory recurrence and distinguish planning assumptions from product shelf life.
Read article ->Calculate demand variability from non-zero demand sizes and use ADI with CV squared to interpret demand patterns.
Read article ->Measure usage consistently across sales, recipes, counts and losses before setting a purchasing forecast.
Read article ->Connect inventory signals, orders, supplier replies, receiving and accounting handoff while keeping exceptions visible.
Read article ->Calculate EOQ under its assumptions and compare feasible quantities against packs, minimums and holding costs.
Read article ->Compare supplier minimums with pack sizes, demand and total purchasing costs before committing to excess stock.
Read article ->Measure time to usable receipt and calculate its effect on reorder points under stated demand and supply assumptions.
Read article ->Calculate SBA as a Croston bias correction, distinguish forecasts from safety stock and check the current LineNow method routing.
Read article ->Understand operational buying, resale distinctions and the item-specific tax questions behind business-use marketplace purchases.
Read article ->Build a consistent retail-value or cost-value buying budget using beginning stock, planned sales and scheduled receipts.
Read article ->Compare accounting inventory days with operational stock coverage and understand the limits of average-demand and decay models.
Read article ->Classify annual usage value, then account for critical items, demand patterns and supplier risk when setting purchasing policies.
Read article ->Separate FIFO, LIFO and weighted-average cost assignment from FEFO physical picking, with a reconciled numerical example.
Read article ->Compare periodic and moving-average inventory costs with a fully reconciled example that retains calculation precision.
Read article ->Compare the order, actual receipt and invoice while preserving partial deliveries, price changes and payment approval.
Read article ->Record delivered and accepted quantities, investigate discrepancies and connect receiving evidence with invoice review.
Read article ->Calculate inventory turnover from comparable COGS and average inventory values and understand what the ratio cannot explain.
Read article ->Allocate eligible acquisition charges consistently across received goods and review the accounting classification separately.
Read article ->Calculate gross profit per dollar of average inventory and distinguish revenue-based turns from standard inventory turnover.
Read article ->Compare line accuracy with absolute quantity variance and keep physical counts distinct from receiving checks.
Read article ->Estimate annual inventory holding cost with consistent capital, storage and loss assumptions before comparing buying options.
Read article ->Calculate inventory, receivable and payable days and distinguish working-capital release from recurring profit.
Read article ->Compare lost contribution and shortage-response costs without double-counting avoided sales losses.
Read article ->Measure unit, line and order fill rates separately, and distinguish fulfillment results from cycle service probability.
Read article ->Compare invoice due dates and early-payment discounts with a worked cash-timing example and a simple annualized rate.
Read article ->Compare forecast methods and errors, account for zero-demand periods and validate the result on a relevant planning horizon.
Read article ->Measure unexplained inventory loss with a clear denominator and distinguish count errors, waste and modeled decay.
Read article ->Translate finished-product demand into component quantities with yield adjustments, batch rounding and a worked bakery example.
Read article ->Compare item contribution with avoidable ordering and holding costs while retaining critical and complementary products.
Read article ->Define the agreed order, retain supplier acceptance and connect revisions, receiving and accounting handoff.
Read article ->Understand sourcing, purchasing, supplier follow-up and receiving as connected decisions with clear ownership.
Read article ->Compare actual prices with an explicit baseline and distinguish price differences from total purchasing and holding costs.
Read article ->Compare blanket purchase commitments, releases and downside costs without treating a price discount as a guaranteed return.
Read article ->Identify slow-moving stock and compare recovery choices using consistent acquisition, holding and markdown costs.
Read article ->Define OTIF at the order level, avoid double-counting failed orders and use the result to investigate supplier exceptions.
Read article ->Evaluate smaller inventory buffers against demand uncertainty, supplier reliability and the consequences of a shortage.
Read article ->Calculate DPO with comparable trade balances and period costs, then assess supplier terms and working-capital timing.
Read article ->Separate supplier-led replenishment from ownership and define stock limits, pricing and substitution responsibilities.
Read article ->Distinguish purchasing inputs, inventory valuation and expense recognition when calculating cost of goods sold.
Read article ->Reconcile consigned receipts, sales, returns and shortages while separating physical stock, ownership and settlement.
Read article ->Compare FOB, CIF and DDP responsibilities, avoid double-counting freight and preserve the agreed shipping terms on the order.
Read article ->Calculate gross profit and margin consistently, including relevant acquisition costs and supplier price changes.
Read article ->Calculate actual and theoretical food cost using consistent period inventory, recipes, accepted purchases and adjustments.
Read article ->Compare food and labor costs with consistent revenue and expense definitions before diagnosing operating performance.
Read article ->Compare supplier quotations using consistent quantities, specifications and commercial terms before issuing an order.
Read article ->Procure-to-pay (P2P) runs from requisition through payment. See where LineNow supports operational approvals, RFQs, receiving, GRNs, inventory, and accounting handoff—and where enterprise governance goes further.
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