A page layout is a template used when creating new content pages in SharePoint. There are a number of page layouts included with SharePoint out of the box. When one of those doesn't suffice, we can easily create our own. In this recipe, we will modify the
BlankWebPartPage.aspx page layout to have three columns, each with a web part zone. A web part zone is an area of the page where users can add web parts. A
web part is an ASP.NET user control under the covers.
Follow these steps to create a page layout with three columns of web part zones: