What is Content Management Service?

What is content management service (CMS)? How it is helps to promote the business in online?

data storage and organization... like work press

"A content management system (CMS) is a computer application that allows publishing, editing, modifying, organizing, deleting, and maintaining content from a central interface. Such systems of content management provide procedures to manage workflow in a collaborative environment."


Source:https://en.wikipedia.org/wiki/Content_management_system