Domain Name : Ex: www.google.com(is the doamin name here)
Domain Space : The space required to place our file or website on the world wide web is called Domain Space.
Browser : The Software are the application used to browse the html files is called browser. Ex : Internet Explorer, Mozilla filefox,Google Chrome, Opera, Safari, Netscape Naviagator,Tetra, Epic (First Indian Browser developed at banglore & powered by Mozilla firefox Ex: Epic Browser – Indian Web Browser Epic).