Full Information about ADCS(Automated Data Capture System)

Hi Experts,

i want to know Full information about ADCS in navision means 

What is ADCS?

Why We are using ADCS?

Where we use this Adcs?

what is connection in b/w ADCS and VT100 Pulgin?

What is VT100 pulgin?

how this ADCS is used in Warehouse activities?

i have this type of quesations on my mind can you people provide any PDF link to answer all this links as i reffered this links

https://msdn.microsoft.com/en-us/library/hh169047(v=nav.70).aspx 

https://community.dynamics.com/nav/b/navthefunstartshere/archive/2014/06/10/adcs-automated-data-capture-system.aspx 

http://navisioncanbefun.blogspot.in/2014/06/adcs-automated-data-capture-system.html 

this above links told how to login to ADCS, not to answer all my above quesations please help me out.

Thanks & Regards,

Ramesh.