Custom development refers to the process of creating software applications or programs that are specifically designed to meet the unique needs of a business or organization. In the context of Encompass LOS, custom development involves building customized features, functionality, or workflows that are tailored to the specific business requirements of the client. This can include anything from custom data fields and calculations to complex integrations with external systems. Custom development can be a powerful way to extend the capabilities of Encompass and enable clients to achieve greater efficiency and productivity.