| Constant | Description |
| BUDGET | An allocation of money for a particular purpose. |
| COSTPLAN | An assessment of the amount of money needing to be expended for a defined purpose based on incomplete information about the goods and services required for a construction or installation. |
| ESTIMATE | An assessment of the amount of money needing to be expended for a defined purpose based on actual information about the goods and services required for a construction or installation. |
| TENDER | An offer to provide goods and services. |
| PRICEDBILLOFQUANTITIES | A complete listing of all work items forming construction or installation works in which costs have been allocated to work items. |
| UNPRICEDBILLOFQUANTITIES | A complete listing of all work items forming construction or installation works in which costs have not yet been allocated to work items. |
| SCHEDULEOFRATES | A listing of each type of goods forming construction or installation works with the cost of purchase, construction/installation, overheads and profit assigned so that additional items of that type can be costed. |
| USERDEFINED | User-defined type. |
| NOTDEFINED | Undefined type. |