Basic guide to SharePoint workflow

The first important point to note is based workflow SharePoint and Windows are separate entities. The foundation of SharePoint workflow is the workflow window. In other words, the SharePoint workflow is at the top of Windows Workflow and adds the flavor of human workflow. The following graph reflects the broader definition of workflow in SharePoint. It requires the basic workflow of Windows. NET and then apply the workflow focused on the content in it. Content Workflows Windows Workflow dedicated just not attached to the list, documents and custom content.

You can envision sharepoint workflows as windows workflow with human workflow touch and feeling. The human work flow affect and feel comes when the work flow is attached to a content type like list, document etc.
For example, suppose we have approve and disapprove windows workflow. You can connect the workflow with a content type of students and human workflow for student becomes a student and the student. If the content type is a bill, then pass the workflow can be a workflow and disapprove paid the bill may become the unpaid bill.
In other words sharepoint workflow is content centric and they depict human work flow.