You're just asking for general information about Vancouver?
http://www.tourismvancouver.com/visitors/
http://www.mytelus.com
Those are some great resource pages. Your mother will enjoy Vancouver, it's beautiful here! Where she wants to stay depends on a few things though. Does she want to be close to downtown? On a mountain? Near a lake? On a farm? You need to tell us some more about your mother's likes and dislikes before we can really help you I think.