With respect to commerce activities can be divided in two parts. They are:
(I) Economic activity,
(II) Non-economic activity

(I) Economic activity:
When a person does an activity with the aim of earning money or some economic benefit the activity is called economic activity.

Explanation:
Man needs money to satisfy his daily needs.
In order to get money he needs to perform certain activities that earn him money.
A man thus performs an act that can satisfy the needs of others and in return earns money or say economic benefit.

Example:

• A farmer gets economic benefit by producing food grains, a weaver by weaving cloth, a blacksmith by producing iron articles.
• All these people are satisfying the needs of our society and in turn are earning money or say gaining economic benefits.
• Similarly, doctors, lawyers, engineers, etc. also fulfill the needs of society and earn economic gains.
  Economic activity lies at the centre of modern world.

(II) Non-economic activity:

• When a person does an activity without the aim of earning money or gaining any economic benefit, the activity is called non-economic activity.
• The motivation behind these activities could be serving the country in needs, serving the society, compassion, love towards nature, etc.

Example:

• Social workers who conduct various activities for the betterment of society
• A mother performing nursing activity like taking care of her child when he is sick
• Volunteers working for maintaining unity in the community and society
• Volunteers extending their help to people affected by. natural calamities like earthquake, tsunami, etc.