No, directing is not necessary at planning stage, it is necessary at execution / operational stage.

Yes, planning involves setting of objectives and determining the most economical and viable alternative to achieve the goals.

(i) Planning and co-ordination
(ii) Organising and co-ordination
(iii) Staffing and co-ordination
(iv) Directing and co-ordination
(v) Motivation and co-ordination ; and
(vi) Controlling and co-ordination.

"Look before you Leap is the traditional proverb, which refers to the management function of planning. Planning refers to deciding in advance.

Managerial functions are:
(i) Time specific
(ii) Institutional specific; and
(iii) Country specific.

(i) The classroom must be with proper facility and lesson plan must be planned in advanced and lecture should be given to teachers in a proper manner.
(ii) They should be proper coordinate between students and teacher to avoid conflict among them in order to achieve peace.

(i) Controlling is performed to evaluate the performance of employees and deciding increments and promotion decisions.
(ii) The control function helps in identifying under performers and arranging remedial training for them.

The goals are achieved with the help of motivation. Motivation includes increasing the speed of performance of a work and developing a willingness on the part of the workers.

Planning refers to deciding in advance. Planning is a constructive reviewing of future needs so that present actions can be adjusted in view of the established goal.

(i) Innovation refers to the preparation of personnel and organisation to face the changes made in the business world.
(i) Innovation includes developing new material, new products, new techniques in production, new package, new design of a product and cost reduce.