For the purpose of §§ 8.01-308 through 8.01-313:
1. The term "motor vehicle" shall mean every vehicle which is self-propelled or designed for self-propulsion and every vehicle drawn by or designed to be drawn by a motor vehicle and includes every device in, upon, or by which any person or property is or can be transported or drawn upon a highway, except devices moved by human or animal power and devices used exclusively upon stationary rails or tracks.
2. The term "nonresident" includes any person who, though a resident of the Commonwealth when the accident or collision specified in § 8.01-308 or § 8.01-309 occurred, has been continuously outside the Commonwealth for at least sixty days next preceding the date when process is left with the Commissioner of the Department of Motor Vehicles or the Secretary of the Commonwealth and includes any person against whom an order of publication may be issued under the provisions of § 8.01-316.