One set of content management tools is for large operations so they can manage digital information within their operation is referred to as an Enterprise Content Management (ECM) system and can incorporate the company's blog.
The other set of content management tools is for coordinating and authoring web content and referred to as Web Content Management (WCM). A web content management system would be most familiar to someone who runs a blog or the blog portion of a website.
Continued: content management system (CMS).A content management system (CMS) is a software application or set of related programs that are used to create and manage digital content. CMSes are typically used for enterprise content management (ECM) and web content management (WCM). An ECM facilitates collaboration in the workplace by integrating document management, digital asset management and records retention functionalities, and providing end users with role-based access to the organization's digital assets. A WCM facilitates collaborative authoring for websites. ECM software often includes a WCM publishing functionality, but ECM webpages typically remain behind the organization's firewall.
Both enterprise content management and web content management systems have two components: a content management application (CMA) and a content delivery application (CDA)...
Check out our content management section of Informed Webmaster forums for discussion and help with either type of CMS you have chosen to use.