Data Center - A data center is the highest level container for all physical and logical resources within a managed virtual environment. It is a collection of clusters, virtual machines, storage, and networks.

Clusters - A cluster is a set of physical hosts that are treated as a resource pool for virtual machines. Hosts in a cluster share the same network infrastructure and storage. They form a migration domain within which virtual machines can be moved from host to host.

Logical Networks - A logical network is a logical representation of a physical network. Logical networks group network traffic and communication between the Manager, hosts, storage, and virtual machines.

Hosts - A host is a physical server that runs one or more virtual machines. Hosts are grouped into clusters. Virtual machines can be migrated from one host to another within a cluster.

Storage Pool - The storage pool is a logical entity that contains a standalone image repository of a certain type, either iSCSI, Fibre Channel, NFS, or POSIX. Each storage pool can contain several domains, for storing virtual machine disk images, ISO images, and for the import and export of virtual machine images.

Virtual Machines - A virtual machine is a virtual desktop or virtual server containing an operating system and a set of applications. Multiple identical virtual machines can be created in a Pool. Virtual machines are created, managed, or deleted by power users and accessed by users.

Template - A template is a model virtual machine with predefined settings. A virtual machine that is based on a particular template acquires the settings of the template. Using templates is the quickest way of creating a large number of virtual machines in a single step.

Virtual Machine Pool - A virtual machine pool is a group of identical virtual machines that are available on demand by each group member. Virtual machine pools can be set up for different purposes. For example, one pool can be for the Marketing department, another for Research and Development, and so on.

Snapshot - A snapshot is a view of a virtual machine's operating system and all its applications at a point in time. It can be used to save the settings of a virtual machine before an upgrade or installing new applications. In case of problems, a snapshot can be used to restore the virtual machine to its original state.

User Types - Red Hat Enterprise Virtualization supports multiple levels of administrators and users with distinct levels of permissions. System administrators can manage objects of the physical infrastructure, such as data centers, hosts, and storage. Users access virtual machines available from a virtual machine pool or standalone virtual machines made accessible by an administrator.

Events and Monitors - Alerts, warnings, and other notices about activities help the administrator to monitor the performance and status of resources.

Reports - A range of reports either from the reports module based on JasperReports, or from the data warehouse. Preconfigured or ad hoc reports can be generated from the reports module. Users can also generate reports using any query tool that supports SQL from a data warehouse that collects monitoring data for hosts, virtual machines, and storage.