Operational definitions are at their most controversial in the field of psychology where intuitive concepts, such as intelligence need to be operationally defined before they become amenable to scientific investigation, for example, through processes such as IQ tests.
Ven (sign: VEN) is a global digital currency traded in international financial markets and originally used by members of a social network service, Hub Culture, to buy, share, and trade knowledge, goods, and services.
Stands for Virtual Private Network (not a successor to the UPN television network). VPN is a network term that most computer users don't need to know, but at least you can impress your friends by talking about it. A virtual private network is tunneled through a wide area network WAN such as the Internet. This means the network does not have to be located in one physical location like a LAN.