User may be familiar with Virtualization but vCloud Director is not well known. vCloud Director uses for covering vCenter.
Q: What is the property of vCloud?
A: vCloud Administrator can increase, create, provide, organize resource in system and monitor the system.
vCloud Director User can on/off VM by portal interface, organize resource, create template, manage catalog and upload/download vApp.
The property of vCloud Director
The property of vCloud Director

Fig. portal interface & portal interface2

CS LOXINFO provides user easily using vCloud Director for VM organization by manual from CS LOXINFO (Youtube search: CS LOXINFO or vCloud Director by CS LOXINFO).