Analogue cameras refers to the technology which has been around for years, a single coaxial cable is routed from each camera to a controls location where previously there would have been a video cassette recorder, most of these systems will have had black and white cameras.
IP systems refer to network cameras, this is the latest technology offering a higher degree of flexibility and much higher quality image allowing digital zoom without pixcelation up to 4x magnification.
Monitoring is traditionally something reserved for high risk sites and routed to central stations requiring expensive equipment and subscriptions.
ANPR Automatic number plate recognition is commonly used by the police and seen on television but it is not limited to government organisations.