Sometimes a single form comprises two or more groups of data that you'd like to segregate in some fashion. There are several ways to accomplish that objective. Often design tools, such as a rectangle or a line, can be used successfully to divide data.
In other cases, you'll want to take more radical steps and divide the form into separate pages. The less interesting and more mundane method is to include page breaks in the form. The more innovative technique is to use a tab control that accomplishes the objective of creating separate pages without actually creating any additional pages.
I don't want to imply that tabbed controls are necessarily better than page breaks. Each has its uses, and, depending on your form design, you ...