List box

A list box is a graphical control element that allows the user to select one or more items from a list contained within a static, multiple line text box. The user clicks inside the box on an item to select it, sometimes in combination with the or in order to make multiple selections. "Control-clicking" an item that has already been selected, unselects it.
A list box is called codice_1 or codice_2 in the XForms standard. Select is used for allowing the user to select many items from a list whereas codice_2 only allows the user to select a single item from a list.
HTML.
In web forms, the HTML elements and are used to display a listbox: 
<select multiple>
 <option>List item 1</option>
 <option>List item 2</option>
 <option>List item 3</option>
 <option>List item 4</option>
 <option>List item 5</option>
 <option>List item 6</option>
</select>