1. <data> Any kind of data including graphics, images, audio and video, though typically excluding raw text or executable code.

The term multimedia suggests a collection of different types of media or the ability to handle such collections.

2. <storage> The physical object on which data is stored, as opposed to the device used to read and write it.

3. <networking> The object at the physical layer that carries data, typically an electrical or optical cable, though, in a wireless network, the term refers to the space through which radio waves propagate. Most often used in the context of Media Access Control (MAC).