What is the need of character count tool in corporate sector?

The word count tool has gained popularity in the business sector, so, need to know how it will be helpful to promote the business.

The "need to know" aspect of the amount of a product that can be placed into an area, such a "deposition" upon a label of a soda pop can. You must know the amount of characters that will be used, per area allotted, in the production of merchandise. In other words if I maintain abreast of my use, it does help to prevent an unknown waste that will always, decrease profits.