Is it true that the chemicals used to control the growth of microorganisms is called Preservation?

Food preservation refers to the processes and techniques used to keep food from spoiling and to extend its shelf life. Preservatives are substances or chemicals that are applied/added to things including food, drinks, pharmaceutical medications, paints, biological samples, cosmetics, wood, and many other products to keep them from decomposing due to microbial development or undesired chemical changes. Eg: Sodium benzoate, acetic acid etc.