The economic sector is of three aspects namely:
The primary sector
The secondary sector
The tertiary sector
The primary sector: This is the sector of the economy that makes direct use of natural resources.
The primary sector includes:
Forestry and fishing
Extraction of oil and gas etc.
The secondary sector: The economic sectors that create a finished, tangible product (production and construction.):
Secondary sector is sub-divided into:
The tertiary sector: Known as the service sector or the service industry.
The services include:
Advice and discussion.