# Glossary

Definitions of the terms used in Coplan and Studio, such as facings, planogram, planogram ID, range class and subsection.

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**Facings** - The number of identical products visible at the front of a shelf, stacked side by side or on top of each other. To understand facings and half facings better, [see here](/glossary/measurements)

**Fixture plan** - Coplan’s name for a planogram. These pages also call it a plan.

**Measurements** - [Learn about linear, cubic and quadratic space here](/glossary/measurements)

**Merchandising group** - One retailer’s name for a subsection. Where a plan has one, its details show the **merchandising group** and its 3-character **merchandising group code**.

**Planogram** - a visual representation of what a shelf looks like in-store which can be amended to suggest changes to range, assortment and space. It also contains data on number of products, facings and % of linear or quadratic space.

**Planogram ID** - the code that identifies a planogram. In some retailers’ data it is 6 alphanumeric characters: the first 3 are the merchandising group code, and the next 3 are, in order, the Range Class, the Equipment Type and the Store Cluster code.

**Product id** - the product id in the Excel file downloaded from Plans has the format `productid_orientation` (for example `10023_F`)

**Range Class/Space break code** - The size of the product range on shelf, ordered A-Z smallest >largest.

**Store cluster** - A group of stores that a retailer plans for together. Where a retailer plans by store cluster, each plan is for one cluster.

**Subsection** - A group of plans for one product category, such as soft drinks. Coplan uses this name for every retailer, whatever the retailer calls its own groups.

## Other resources

- [Measurements](/glossary/measurements)