The term "IT infrastructure" encompasses all the physical and virtual resources necessary for an organization's IT environment. This includes hardware like servers, network equipment, and data centers, as well as software solutions like operating systems and applications. Additionally, it covers essential components such as cloud services, networking components, and security measures that facilitate effective data management and communication. A well-designed IT infrastructure is vital for operational efficiency, scalability, and the overall success of an organization in today's technology-driven landscape.