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The Required validation checks whether the website visitor has entered data into a field that is required. Note: Assigning this validation to a form element has the same effect as checking the option "Required field" of the form element.
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A form section is a sub-form that you can reuse in two or more forms. This is especially useful when you have two or more forms that share identical sets of form elements (sections) — You only have to create the section once and then you can reuse it in multiple forms.
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