What is AIS - Automatic Identification System

What is AIS - Automatic Identification System. This section should give a short introduction to:

The AIS System
Display of AIS information
Available Options
What is Automatic Identification system (AIS)
AIS carriage requirements
AIS caution
Objectives of AIS
The Propose of AIS
Short Description of AIS
AIS main components
AIS provided information
AIS display of information
Graphical display
Sleep target
Activated target
Selected target
Dangerous target
Graphical standards