!!! Overview
[{$pagename}] systems or [protocols] maintain [state] as and operate serially (sequentially) on streams of [data] and information about previous [data] characters or packets received is stored and this stored [data] is used to affect the processing of the current [data]. 

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]