Multimedia interface components

A multimedia user interface is made of components through which the user gives input and receives output. The main components are listed below.

1. Text

Used for titles, labels, menus, instructions and content. Must be readable (font, size, contrast). Example: a heading and a paragraph in a help screen.

2. Graphics and images

Icons, buttons, pictures, charts and backgrounds. They make the interface attractive and show meaning quickly. Example: a trash can icon for delete.

3. Audio

Narration, music, sound effects and alert beeps. Gives feedback and guidance. Example: a click sound on pressing a button, or voice instructions.

4. Video and animation

Show processes and motion and add interest. Needs playback controls. Example: a demonstration clip in a training CD.

5. Menus

Lists of choices: pull-down, pop-up, cascading and menu bars. Example: the File menu of an editor.

6. Buttons and icons

Clickable objects that start actions, such as Play, Next and Help. Their look must show that they can be clicked.

7. Windows and dialog boxes

Separate areas for content, and pop-ups that ask for input or give messages. Example: a Save dialog.

8. Hypertext and hypermedia links

Linked words, images or buttons that jump to related information. Example: a word in an online encyclopedia linking to a picture.

9. Input controls (forms)

Text boxes, check boxes, radio buttons, list boxes, sliders and scroll bars to enter data or set values. Example: a volume slider.

10. Input and output devices

Keyboard, mouse, touch screen, microphone, camera, speakers, and display. They are the physical part of the interface.

11. Help and navigation aids

Index, search, site map and tutorial help the user move around and find content.