Define in your own words: (a) intelligence, (b) artificial intelligence, (c) agent, (d) rationality, (e) logical reasoning.

(a) Intelligence:

Intelligence is the measure of ability of a person that how much he can understand, learn, create, think critically, solve problems and plan for some event or task. For example, If a person have a very good ability to perform all above is known as intelligent.

(b) Artificial Intelligence

A device or machine that has no ability to think, decision making, planing or understanding could be able to think, making, decision and understanding different command through machine learning algorithms is called Artificial Intelligence. For Example, A smartphone is able to identify its user and authenticate him to use the device by just identifying him through finger print or face recognition.

(c) Agent

Agent is a person who can work on the behalf of some person or company. For Example, Insurance companies send some person to the people for selling their insurance. The person who is selling insurance on the behalf of company is called agent. The company pay for this task.

(d) Rationality

It is the quality of person, that he can be agree with some after getting the reason or understanding the logic behind the subject.

(e) Logical Reasoning

A process of taking decision on the basis of logic or after completing the procedure to take a decision is called logical reasoning.