General Merchandise Stores Industry Terminology

ABC Analysis

An inventory classification method that ranks SKUs by their sales or margin contribution (A = highest impact, C = lowest) to focus control, forecasting, and replenishment effort where it matters most.

Prioritize cycle counts on A-class items to cut shrink | Move C-class items to the backroom to free shelf space | Bias open-to-buy toward A items

Allocation

The process of distributing available inventory across stores, regions, or channels based on forecasted demand, capacity, service levels, and strategic priorities.

Allocate winter apparel more heavily to northern clusters | Reallocate overstock via inter-store transfers | Use demand forecasts to drive pre-season allocations

Assortment Planning

Defining the optimal breadth and depth of products by category, brand, price tier, and store cluster over a planning horizon to meet demand and financial targets.

Add depth in top-selling sizes/colors | Narrow breadth in low-turn subcategories | Localize assortments for urban vs. suburban stores

AOV (Average Order Value)

A revenue metric calculated as total sales divided by number of orders; used to gauge basket size and the effectiveness of upsell/cross-sell tactics.

Bundle accessories to lift AOV | AOV dipped after price-match policy change | Offer extended warranties to increase AOV

BOPIS (Buy Online, Pick Up In Store)

An omnichannel fulfillment option allowing customers to purchase online and collect their order at a selected store, improving convenience and lowering delivery costs.

BOPIS SLA set at 2 hours | Reserve store safety stock for BOPIS | Promote BOPIS to reduce last-mile costs

Category Management

A disciplined approach to managing product categories as strategic business units—optimizing assortment, pricing, promotion, and shelf space, often with vendor collaboration.

Appoint a category captain for laundry | Run a category reset with space-to-sales analysis | Conduct quarterly category reviews with vendors

Clearance

Deep, often final markdowns intended to liquidate slow-moving, end-of-season, or discontinued inventory to free working capital and space.

Take 50% markdown to clear seasonal décor | Create a dedicated clearance endcap | Exclude clearance from promotional lift analyses

Conversion Rate

The percentage of visitors (in-store or online) who complete a purchase; a core productivity metric tied to traffic and transactions.

Improve store conversion with better staffing | Site conversion rose after checkout UX fixes | Track conversions by traffic counter and transactions

DC (Distribution Center)

A facility where inventory is received, stored, picked, and shipped to stores or customers; critical to service levels, cost, and speed.

Use a flow-through DC for fast movers | DC capacity constraints impact in-stock | Implement wave picking at the DC

Demand Forecasting

Using historical data, seasonality, promotions, and external signals to predict future demand for planning, allocation, and replenishment.

Incorporate weather signals for umbrellas | Track MAPE to assess forecast quality | Model promo lift for back-to-school items

Drop Ship

A fulfillment model where the vendor ships directly to the customer on the retailer’s behalf, expanding assortment without carrying inventory.

Expand long-tail assortment via drop ship | Enable EDI 856 (ASN) for drop-ship partners | Train CS to resolve drop-ship exceptions

EAS (Electronic Article Surveillance)

Anti-theft systems using security tags and detection gates to deter shoplifting and reduce shrink.

Tag A-class beauty items | Place EAS pedestals at store exits | Deactivate tags at POS to avoid false alarms

EDLP (Everyday Low Price)

A pricing strategy that maintains consistently low prices rather than frequent temporary promotions, emphasizing value and simplicity.

Move household staples to EDLP | Communicate EDLP value in circulars | Compare EDLP vs Hi-Lo pricing outcomes

EDI (Electronic Data Interchange)

Standards-based electronic exchange of business documents (e.g., 850 purchase orders, 856 advance ship notices, 810 invoices) between retailers and vendors.

Automate invoice matching via EDI 810 | Improve receiving with timely EDI 856 ASNs | Enforce EDI compliance to avoid chargebacks

Endcap

Prime display space at aisle ends used to feature promotions, launches, or seasonal items for maximum visibility and impulse sales.

Feature seasonal candy on an endcap | Negotiate vendor-funded endcap placements | Measure endcap display lift vs base sales

Endless Aisle

The capability to sell items not physically stocked in a store by ordering from online/DC inventory for delivery or pickup.

Offer kiosk ordering for out-of-stock sizes | Associate-assisted endless aisle orders on tablets | Prevent lost sales by enabling ship-to-home

Facing

The number of product units presented facing the customer on a shelf; more facings can improve visibility, availability, and sales.

Increase facings on top sellers to reduce OOS | Planogram specifies three facings per SKU | Adjust facings based on shelf velocity

FIFO (First-In, First-Out)

An inventory rotation method that prioritizes selling or using older stock first to minimize spoilage or obsolescence.

Enforce FIFO in backrooms to reduce obsolescence | Audit cooler sections for FIFO compliance | Apply FIFO during planogram resets

GMROI (Gross Margin Return on Inventory Investment)

A productivity metric: gross margin dollars generated per dollar of average inventory cost. Indicates how effectively inventory produces profit.

Raise GMROI by trimming depth on slow SKUs | Set a 2.5x GMROI target for toys | Drop items with chronically low GMROI

Gross Margin

Sales minus cost of goods sold, expressed in dollars or percentage; a primary measure of profitability before operating expenses.

Margin erosion from inbound freight | Mix shift lifted the margin rate | Track gross margin by category and cluster

Hi-Lo Pricing (High-Low)

A pricing strategy featuring higher regular prices offset by periodic promotional discounts to drive traffic and basket size.

Run TPRs to support Hi-Lo cadence | Balance promo frequency to avoid fatigue | Compare Hi-Lo to EDLP performance

IMS (Inventory Management System)

Software that tracks inventory levels, locations, and movements across DCs, stores, and channels to enable accurate replenishment and fulfillment.

Integrate IMS with POS for real-time decrements | Tune IMS parameters (min/max) by store | IMS alerts trigger replenishment orders

In-Stock Rate

The percentage of SKUs available for sale when customers want to buy; a key service-level and sales metric.

Target 98% in-stock on key items | Audit on-shelf availability daily | Tie BOPIS fill rate to in-stock performance

Inventory Turnover

COGS divided by average inventory; indicates how quickly inventory sells through. Higher turns generally imply better capital efficiency.

Increase turns by streamlining assortment | Seasonal turns peak in Q4 | Benchmark turns by category vs peers

KPI (Key Performance Indicator)

Quantifiable metrics used to track performance against goals across sales, operations, supply chain, and customer experience.

Weekly KPI dashboard for store managers | Sales, margin, shrink, and conversion are KPIs | Tie bonuses to KPI outcomes

Last-Mile Delivery

The final leg of order delivery to the customer’s address—often the most complex and costly segment of e-commerce fulfillment.

Optimize last-mile routes with gig carriers | Deploy micro-fulfillment to cut last-mile time | Offer same-day delivery in top markets

Loyalty Program

A structured customer rewards system designed to increase retention, frequency, and share of wallet through incentives and recognition.

Points-based rewards redeemable for coupons | Capture loyalty IDs at POS for personalization | Use loyalty data for targeted offers

MAP (Minimum Advertised Price)

A brand policy setting the lowest price a retailer may advertise for a product (not necessarily the selling price), enforced to protect brand equity.

Ensure ad copy complies with MAP | Request brand exceptions for holiday promos | Monitor marketplaces for MAP violations

Markdown

A planned or reactive price reduction used to increase sell-through, clear inventory, or respond to competitive pricing.

Use markdown optimization to time reductions | Reserve markdown budget in the P&L | Accelerate sell-through on seasonal items

Merchandising

The end-to-end discipline of planning, buying, pricing, promoting, and presenting products to meet demand and financial objectives.

Build a merchandising calendar by season | Execute visual standards for adjacencies | Merchants negotiate vendor terms and funding

OOS (Out-of-Stock)

A condition where a SKU is unavailable for purchase when demanded, leading to lost sales or substitutions.

Trigger OOS alerts from shelf sensors | Substitute items for OOS BOPIS orders | Root-cause OOS due to late DC deliveries

OTB (Open-to-Buy)

A budgeting framework that controls merchandise purchasing within plan by reconciling planned sales, inventory, receipts, and markdowns.

Weekly OTB meetings to track commitments | Hold OTB for opportunistic buys | Constrain OTB to align with cash flow

Omni-Channel Retail

An integrated retail model that provides a seamless shopping experience across stores, online, and mobile, often sharing inventory and services.

In-store returns of online orders | Unified cart across web and app | Single view of inventory across DCs and stores

Planogram

A schematic or data file specifying the placement, facings, and adjacencies of products on shelves to optimize sales and space.

Execute a planogram reset next week | Audit planogram compliance (POG) | Localize planograms by store cluster

POS (Point of Sale)

Hardware and software used to complete retail transactions, capture payments, calculate taxes, and decrement inventory.

POS downtime impacts conversion | POS data feeds demand forecasting | Enable contactless payments at POS

Private Label

Retailer-owned brands that offer differentiation and higher margin, often positioned as value or premium alternatives to national brands.

Expand private label to improve margin | Trade up from national brands | Ensure packaging compliance for private brands

RFID (Radio-Frequency Identification)

Wireless technology using tags and readers to identify and track items or cases without line-of-sight, enhancing accuracy and visibility.

Use RFID for rapid cycle counts | RFID gates in the DC to verify shipments | Improve inventory accuracy for BOPIS

Replenishment

The process of refilling inventory to target levels based on sales, forecasts, and parameters like reorder points and lead times.

Automate store replenishment to min/max | Tune reorder points ahead of holidays | Use vendor-managed replenishment on endcaps

Returns Management

The policies and operations for handling customer returns efficiently while maximizing recovery value and customer satisfaction.

Analyze return reasons to cut defects | Offer in-store returns for online purchases | Route returns to refurbish, resell, or liquidate

Reverse Logistics

The movement and processing of goods from customers or stores back to DCs, vendors, or recyclers for repair, resale, or disposal.

Consolidate returns at a regional hub | Implement RMA processes with vendors | Track reverse cycle time and costs

Safety Stock

A buffer of extra inventory held to prevent stockouts due to demand or supply uncertainty.

Raise safety stock before peak season | Set service levels (e.g., 95%) for key items | Recalculate buffers using demand variability

Seasonality

Predictable demand patterns tied to seasons, holidays, or events that influence planning, inventory, and staffing.

Plan for back-to-school spikes | Adjust forecasts for holiday uplift | Shift floor space for seasonal transitions

Shrink

Inventory loss from theft, damage, spoilage, or administrative errors, reducing margin.

Target shrink under 1.5% of sales | Deploy EAS and CCTV in high-risk zones | Record damages as markdowns to track shrink

SFS (Ship-from-Store)

An omnichannel fulfillment model where stores pick and ship online orders using store inventory to reduce delivery time and improve inventory productivity.

Balance SFS with on-shelf availability | Optimize pick paths for SFS orders | Use SFS to accelerate delivery speed

SKU (Stock Keeping Unit)

A unique identifier for a specific product variant (e.g., brand, size, color) used for tracking, pricing, and replenishment.

10,000 SKUs in the GM department | Conduct SKU rationalization to lift turns | Forecast at the SKU-store level

Third-Party Marketplace (3P)

A platform model where external sellers list and fulfill products on the retailer’s site, expanding assortment and taking on inventory risk.

Expand assortment without inventory risk | Enforce seller SLAs and quality standards | Align marketplace returns policies

UPC (Universal Product Code)

A standardized barcode used on consumer products for scanning at POS, receiving, and inventory control.

Ensure GS1-compliant UPCs | Resolve UPC mismatches at receiving | Assign a new UPC for pack changes

UPT (Units Per Transaction)

The average number of items sold per transaction; indicates success of attachment, bundling, and add-on strategies.

Drive UPT with cross-merchandising | Incentivize associates based on UPT | Track UPT by store and daypart

VMI (Vendor Managed Inventory)

A collaboration where the supplier monitors sales and inventory and generates replenishment orders to agreed service and inventory targets.

Implement VMI for beverages and snacks | Share real-time sales data with suppliers | Define service levels in VMI agreements

Visual Merchandising

The in-store presentation of products—including fixtures, signage, and layouts—to attract customers, guide discovery, and drive conversion.

Seasonal vignettes at the front of store | Use color blocking and clear signage | A/B test window displays for traffic lift