Important terms related to Infrastructure Sector

Public Works:
Public works are the construction or engineering projects carried out by the state on behalf of the community. It often describes the maintenance functions, accounting treatment and agencies, not just the structures.

Public Infrastructure:
Public infrastructure means any infrastructural capital under public ownership - that is, any such capital asset that is not firm-specific infrastructure.

Infrastructure Capital:
It refers to any physical means of production or means of protection beyond that which can be gathered or found directly in nature, i.e. beyond natural capital and that which is not considered "fluid capital". It may include tools, clothing, shelter, irrigation systems, dams, roads, boats, ports, factories or any physical improvements made to nature.

Internal Improvement:
An internal improvement is some constructible object, via which, a nation can improve its economic infrastructure.
Examples of internal improvements are: airports, canals, dams, dikes, pipelines, railroads, roads, tunnels, and artificial harbours.

Private Sector:
The private sector of a nation's economy consists of those entities which are not controlled by the state - i.e., a variety of entities such as private firms and companies, corporations, banks (other than central banks), charities, non-governmental organizations and individuals.

Public Sector:
The public sector is the part of economic and administrative life that deals with the delivery of goods and services by and for the government, whether national, regional or local/municipal.