A web project is a collection of assets, settings, and deployment targets that make up a web site or a part of a web site. Web projects are stored in web project folders, which are regular folders with a bunch of web project metadata.

The number of web project folders you use to represent a site, or whether multiple sites are contained within a single web project folder is completely up to you. There is no "right way" that works for everybody. Permissions are one factor. The ability to set permissions stops at the web site. Therefore, if you have multiple groups that maintain a site that are concerned with the ability of one to change the other's files, your only remedy is to split the site across web project folders.

Web form and workflow sharing is another thing to think about. As you'll soon learn, workflows and web forms are defined globally, and then selectively chosen and configured by each site. Once made available to a web project, they are available to the entire...