1. Primary, Secondary, Tertiary, Quaternary, Quinary (Within an Economy)
Sectors of the Economy
Primary, Secondary, Tertiary, Quaternary, Quinary
(Within an Economy)

2. Primary
The primary sector of the economy extracts or harvests products from the earth.
Raw Materials and Basic Foods

3. Secondary
The secondary sector of the economy manufactures finished goods.
Construction, Processing, Manufacturing

4. Tertiary The tertiary sector of the economy is the service industry.
Retail, Wholesale, Entertainment, Transportation, etc.

5. Quaternary
The quaternary sector of the economy consists of intellectual activities.
Govt., Museums, Science, Research, Education

6. Quinary
Some consider there to be a branch of the quaternary sector called the quinary sector, which includes the highest levels of decision making in a society or economy.
CEO, President, Congress, etc.