Virtualization:The process of creating a virtual version of something, such as hardware platforms, storage devices, and network resources, enabling more efficient utilization and management of computing resources.
Data Centers: Specialized facilities that house computer systems and associated components, such as telecommunications and storage systems, serving as the principal repositories for cloud computing services.
Software as a Service (SaaS): A distribution model where applications are hosted by a service provider and made available to customers over the internet, eliminating the need for installing software on individual computers