The Contract Category field  allows you to record information relating to the expenditure code of a contract. The Category field can be configured with specific values for your organisation. It allows you to specify a 2 level hierarchy of values so that your cost centre and account code structure can be configured and applied to contracts. 

Typically the Category field holds finance system related information, the example below shows typical entries for the Category field.

Fig 1 - Category Field

To view the values of the category field navigate to Configuration => General Configuration => Define value Sets

Expand the Contract entry to display the Contract Category folder, expand the folder to view the existing values for the field

Fig 2 - Contract Category Value Set

You can add new or delete unwanted values or adjust/rename existing ones, please refer to the Value Sets article for more information on how to achieve this.