Building a Workflow by Using SharePoint Designer 2007
A custom workflow that is created using SharePoint Designer 2007 can be started in various ways: automatically after a file is created, automatically after a file is changed, or manually. Within workflows, you can use actions that are available out of the box, such as assigning a task to someone or sending an e-mail.
Take some time to think about how the workflow should look before you grab SharePoint Designer 2007. Make sure you have, at the least, a clear picture of the workflow in your mind before you start creating one. Or better yet, create some kind of diagram to represent the workflow. Microsoft Office Visio is a suitable tool to create workflow diagrams.
The whole procedure of building ...