A domain name is the the name by which your website is called and recognized on the Internet. A domain name begins with "www"...and ends with ".com" or ". ca" or similar. When selecting your domain name you usually try to incorporate your company name or your field of business. Example: GAWD Productions - www.gawdproductions.ca  or A Realestate Company - www.propertiesforsale.com Other terms you may hear are web address, .com, dot com, url address, net name.