The primary function of enterprise applications in business operations is to improve efficiency, facilitate communication, and streamline processes across an organization. These applications, such as CRM, ERP, and HRM systems, enable seamless integration of various functions, allowing for better resource management and data sharing. By automating workflows and providing centralized platforms for information, enterprise applications enhance decision-making and collaboration among departments. Ultimately, they support organizational goals by optimizing operations and driving overall productivity and effectiveness.