A GUI element, similar to a combobox and a list box, which allows the user to choose one value from a list. When a drop-down list is inactive, it displays a single value. When activated, it displays (drops down) a list of values, from which the user may select one.

- Stackoverflow.com Wiki
1 articles, 0 books.

All too often mobile forms make use of drop-down menus for input when simpler, more appropriate controls would work better. Here's a few alternatives.