Conceptual Model: Lists versus ObjectsData-Input Forms: The BasicsUse Fields to Collect Free-Form InformationStandard Field, DefinedLabel Fields CorrectlyHow to Group FieldsOffer Automated Entry FieldsHow to Show Protected FieldsRequired Field, DefinedPrevent Input Errors with Dropdown ListsWhen to Use Regular Lists Rather Than Dropdown ListsPrevent Input Errors with CheckboxesPrevent Input Errors with Radio ButtonsMake Your Checkboxes and Radio Buttons More AccessibleWhen to Use Tabs Instead of PagesWhen to Use PopupsHow to Do Dates, Addresses, and Other Standard InputGuidelines for ButtonsMosaic Pages: Syndication and LinksConsider Using Flash to Simplify the InteractionHow to Be Helpful