1. Definition of transport:
Transport is movement of either people or goods. It can be human powered, animal powered or mechanic powered. It can be performed by various modes; air rail, road, pipelines, cable, pipeline and space.

2. Transport modes and modal characteristics:
(Or means of transport or transport mode or transport modality or form of transport.) It is a term used to describe different kinds of technological solutions – transport facilities used to relocate people and cargo.

3. Transport as derived demand.
Derived demand is demand for a good or service which occurs as a result of demand for other good or service. Demand for transport most often derived from demand for labour (when we go to work) demand for almost all goods that need to be transported, or their process of production involves transporting.

4. Factors affecting the supply of transport services.
The price of oil, the infrastructure and the amount of government spending putted into it, the government policy (taxation i.e. congestion charges), the level of technologic development.