user agents will present the value of the legend before the label of each control to provide this description, as well as to remind users that they are part of the same group.</p>
      <p>It can also be useful to group other sets of controls less tightly related than radio buttons and checkboxes. For instance, several fields that collect a user's address might be grouped together with a legend of "Address", thus providing a group level description for these controls. As a rule of thumb, it can be said that