| Term | Definition |
| HALO | High Amount Lock Out (HALO) - A programmable limit on the dollar amount of menu items or tenders that may be entered by the operator. |
| Hard Disk | A rigid magnetic disk fixed within a disk drive and used for storing computer data. Hard disks offer considerably more storage and quicker access to data than floppy disks do. |
| Header | Data stored at the beginning of a file or other unit of memory to provide information about it. Headers usually contain information for use by the system and, therefore, are not easily accessible. |
| Hidden Cost | Costs that are incurred when making a purchase, but that do not appear on the purchase order. These types of costs may include training of personal to use the new product, misc. supplies, labor costs of installing the new product, etc. |
| High Amount Lock Out (HALO) | A programmable limit on the dollar amount of menu items or tenders that may be entered by the operator. |
| Historical Data | Recorded transactions and information that is held in the database for a predetermined period. This information is available for recall. |
| Hold Item(s) | Allows an operator to ring up menu items and service total a check without actually sending the order until the operator tells the computer to do so.Also See – Fire Item(s). |
| Hot Prep_Hot Line | The area in the kitchen that prepares hot foods. The hot prep/line area has broilers, ovens, deep fryers, for steaks, fish, fries, etc. |
| Hot Printer | The printer in the hot prep area. |
| House Charge | A settlement method whereby all guest check charges of a certain type will be posted to a house account (rather than to cash, credit, etc.) and will be discounted at the POS level or, more commonly, at the accounting level.Example: Some typical uses for house charges are: Manager meals, free drink giveaway allowances for bartenders, advertising, and promotions. |