Termination of articleship

what termination of articleship  means - 
does the service paid will be cancled or can be considered ?


suppose a article clerk has taken termination of  his articleship for any reason and after 4 or 6month he want to start again the article ship with different principal.
is he liable to serve the article ship of remaining period again  without cancellation of prior traning he had ?

Does Termination  Means Cancellation of  Atricleship  period served as traniee ?