Answer in one sentence.

1) What is management?
Ans: Management is a set of principles which relate to the various functions such as planning, organizing, staffing, directing, coordinating, controlling etc. which are helpful in achieving organizational goals.

2) What is planning?
Ans: Planning is an intellectual process of logical thinking and rational decision making. In short, planning is a detailed programme of future courses of action.

3) What is Staffing?
Ans: Staffing is the process of attracting, recruiting, selecting, placing, appraising, remunerating, developing, and retaining the best workforce.

4) What is directing?
Ans: Directing is the process of instructing, guiding, communicating, inspiring, motivating, and supervising the employees to achieve the predetermined goals of an organization.

5) What is controlling?
Ans: Controlling is a function of comparing the actual performance with the predetermined standard performance.