A word identical in pronunciation with another but different in meaning (for example, bare and bear, air and heir).

A grammatical form, typically a word or affix, that has at least part of its meaning the relative social status of the speaker in relation to the addressee, other participant or context. Parts of speech which signify respect, politeness and emphasize social distance or status.

Composite texts resulting from a mixing of elements from different sources or genres. For example, email, which combines the immediacy of talk and the expectation of a reply with the permanence of print.

A multimedia system in which related items and forms of information, such as data, texts, graphics, video and audio, are linked and can be presented together by a hypertext program.

A text which contains links to other texts.