Content formats are used in recording and transmission to prepare data for observation or interpretation.
Content formats may be recorded and read by either natural or manufactured tools and mechanisms.
[3] Multiple content formats may be contained within a single section of a storage medium (e.g. track, disk sector, computer file, document, page, column) or transmitted via a single channel (e.g. wire, carrier wave) of a transmission medium.
[4] A primary raw content format may be directly observable (e.g. image, sound, motion, smell, sensation) or physical data which only requires hardware to display it, such as a phonographic needle and diaphragm or a projector lamp and magnifying glass.
The following are examples of some common content formats and content format categories (covering: sensory experience, model, and language used for encoding information):