Which of the following best describes "a device for conveyance of persons or property on a way"?

The term "a device for conveyance of persons or property on a way" is best described as a vehicle. This is because the word “vehicle” is a broad term that encompasses any mode of transport capable of carrying people or goods along a road or pathway, including motor vehicles, bicycles, and even other forms of conveyance.

While a motor vehicle pertains specifically to vehicles powered by an engine, and a bicycle is a non-motorized transport option, the definition given in the question applies to any means of conveyance, hence justifying the selection of "vehicle" as the most appropriate choice. By focusing on the inclusive nature of the term "vehicle," it captures all forms of transport, aligning perfectly with the provided definition.

Choosing "all of the above" as an answer would imply that all mentioned forms strictly define the term, but they are merely examples or specific types of vehicles. The broader classification captured by "vehicle" serves to encompass all options while adhering closely to the question's description.