Information

Information is a substance arranged in such a manner so as to convey knowledge to those who perceive it.

[TODO is that right? It's consistent with saying "the words on this page are information" but not(?) with saying "the words on this page contain information."

Information is not an irreducible primary, as some modern physicists think it is. Information presupposes the concepts of man and of knowledge.

Examples

Newspaper

Brochure

Wikipedia page

Speech

ebook

The radio waves emitted by a broadcaster

Brail

Semaphore flag signals

"Information technology." (This is an awful name, because almost all information depends on technology of one sort or another, from YouTube videos to scratches on a clay tablet. Baked into this term is a myopic view of technology is, because the former but not the latter is counted as "information technology.")