Work is defined as any activity involving mental or physical effort to achieve a result. There are four main types of work: primary work involves natural resources like farming and mining; secondary work is manufacturing finished goods; tertiary work provides services in areas like entertainment, banking, and education; and quaternary work relates to information and communication technology or research and development. More economically developed countries tend to have more jobs in tertiary and quaternary work, while less economically developed countries rely more on primary and secondary work.

1. WORK

2. What is work ?
Work is defined as an activity involving mental or physical effort in order to
achieve a result .
Example :- Farming , Teaching , Construction etc.

3. Types of work
• Primary Work
• Secondary work
• Tertiary work
• Quaternary work

4. Primary work
• Primary work can be defined as work related to the earth /natural resources.
• Example :- Farming , Mining , Forestry , cattle rearing etc.

5. Secondary work
• Secondary work can be defined as work related to manufacturing of finished
goods
• Example :- Construction , Engineering , Textile , Steel Plants etc.

6. Tertiary work
• Tertiary work can be defined as work related to providing services .
• Example :- Entertainment , Tourism , Banking , Schooling etc.

7. Quaternary work
• Quaternary work can be defined as work related to ICT and Research
Development .
• Example :- Research and Development , Blogging , Designing etc.

8. MEDC’S and LEDC’S
• MEDC’S :- More economically developed countries .
• Examples :- USA , UK .
• LEDC’S :- Less economically developed countries .
• Examples :- Nigeria, Bangladesh.