Canada Visit Visa: A Canadian Visitor Visa will allow you to visit Canada
Visas are available under different categories:
A single entry Canada Visitor Visa: This allows you to visit Canada only once and is valid for a period of 6 months only.
A Multiple Entry Canada Visitor Visa: This allows you to enter and depart Canada on multiple occasions and is valid for up to 6 months or above, depending on the issuing case officer.
A Transit Canada Visitor Visa: This visa was initially designed for those people entering Canada for a period of 48 hours or less.