| Choice is a class that gives a menu where you choose from various items |
| TextField is a simple class where user can enter information into fields |
| TextArea is a somewhat more sophisticated text entry area which are scrollable and so useful where amount of data to be entered is unlimited |
| List is another child of Component that is similar in use to Choice but gives a fixed size list which can be scrolled and where you can select one or more entries |
| Scrollbar is a class that defines a horizontal or vertical scrollbar. Note this is distinct from scrollbars that come with TextArea and List |