What is one purpose of using custom modules in Sitecore?

Using custom modules in Sitecore primarily serves the purpose of creating custom functionalities that meet specific needs. Sitecore is a powerful and flexible content management system that allows developers to tailor solutions according to the requirements of the business or project at hand. By building custom modules, developers can implement unique features, integrations, or enhancements that are not available out-of-the-box. This customization is crucial for ensuring that the Sitecore instance aligns perfectly with the organization's strategic goals and operational workflows.

These custom modules can include anything from specialized data handling, custom content types, unique user experiences, or specific business logic. The ability to develop and integrate such custom functionalities significantly enhances the Sitecore platform's usability and effectiveness, thereby providing a more tailored experience for both the content managers and site visitors. This flexibility is one of Sitecore's key strengths, enabling organizations to adapt and grow in response to changing market demands.