Production planning in simple terms is the first and foremost planning and estimation that any production and manufacturing firm would organize. Things like,
All these concepts and questions should arise whilst in production planning, to overcome the glitches and generate a continuous workflow.
A sound production plan must consider all the aspects of manufacturing an item from scratch. It must be able to predict where things might go wrong, and how to get through it without harming the smooth functioning of the firm, once it begins. Hence, the production plan is designed far ahead in time, even before the firm starts manufacturing properly.