The word viking in Old English actually means pirate. My Norse people that settled in Scotland so they were vikings, ,
Very interesting. The word also sometimes refers to people who inhabited a village community during the Viking Age
Viking travellers were seen by many as brutal raiders but were actually just farmers. 
Yeah, there was a lot of communities being settled and established and so a lot of merchants and trading going on,
Yes the great Viking expansion. The reached Eastern Russia, all over the middle east and parts of africa.
They were experienced and skilled sailors and had good navigational skills also.
Yes over the years they put those skills to the test and made their way all the way to Greenland, Iceland and Normandy.