# Terminology - Stock ### Current Stock This list applies to units which are currently in the business. These terms are used throughout the CMS and the POS.
Label | Purpose |
Stock | *Total number of units in the business* *Includes Available, Reserved and Unavailable* |
On Hand | *Number of units held at the current Store* *Includes Available, Reserved and Unavailable* |
Available | *Number of units available for Sales Order fulfilment in the User's current Store* *This equals On Hand minus Reserved and Unavailable* |
Reserved | *Number of units Reserved to Sales Orders and eCommerce baskets* *Includes all Sales Order lines which have not been despatched, and excludes orders with the following statuses:* - *Draft* - *Quote (unless 'reserve' manually toggled)* - *Abandoned* - *Cancelled* *Also includes units of stock in locations marked as ['Reserved'](https://bookstack.iconography.co.uk/books/stores/page/locations)* |
Unavailable | *Unavailable units, typically damaged or undergoing quality control* *Number of units held in locations marked as ['Unavailable'](https://bookstack.iconography.co.uk/books/stores/page/locations)* |
Available Elsewhere | *Number of Available units elsewhere in the business, e.g. the total amount of Available units in other Stores* |
Label | Purpose |
On Order | *Total number of units ordered from the Supplier* *Typically, this is in relation to the total number of units ordered from a Supplier on a particular Purchase Order* *This equals 'Allocated' plus 'Unallocated'* |
Allocated | *Total number of units on a Purchase Order allocated to Sales Order lines* *This equals 'On Order' minus 'Unallocated'* *This figure includes units on 'Locked' Purchase Orders* |
Unallocated | *Total number of units on a Purchase Order that are free to be allocated* *This equals 'On Order' minus 'Allocated'* *Units on a 'Locked' Purchase Order will be excluded from 'Unallocated'* |
Label | Purpose |
Available to order | *Signifies that there are no units of the SKU within the business, and that there are none on order - fulfilment of a new Sales Order will only be possible following a Purchase Order* |
Backorder lead time is xxx days | *Displays the default lead time for the SKU* |
Label | Purpose |
In Stock | *Signifies that there are units available in the business, and that a new Sales Order may be immediately fulfilled* *An 'In Stock' figure is made up of the total number of Available units in Locations across all Stores enabled for [web fulfilment](https://bookstack.iconography.co.uk/books/stores/page/locations).* |
Out of Stock | *Signifies that there are no units available in the business, and that a new Sales Order may be will not be fulfilled* *An 'Out Of Stock' figure is determined by checking the total number of Available units in Locations across all Stores enabled for [web fulfilment](https://bookstack.iconography.co.uk/books/stores/page/locations).* |
Available (allow XXX days for delivery) | *Displays the default lead time for the SKU* |
Low Stock | *Signifies that there are only a small number of Available units* *Triggered if the number of 'In Stock' units is less than the 'Low Stock (order at)' figure on the [Inventory](https://bookstack.iconography.co.uk/books/categories/page/inventory "Inventory") tab* |
Available to pre-order | *Signifies that stock is coming into the business, which will be used to fulfil a new Sales Order* *The appropriate lead time will be displayed in the checkout* *Only displays if 'allow back order' is not enabled* *Total number of units available to pre-order equals the total amount of 'unallocated' units for that SKU across all Purchase Orders* |