(Or "pictograph") A symbol which is a picture that
represents an object or concept, e.g. a picture of an envelope
used to represent an e-mail message.
Pictograms are common in everyday life, e.g. signs in public
places or roads, whereas the term "icon" is specific to
interfaces on computers or other electronic devices.
Pictograms are the most common kind of ideogram (symbols
representing concepts), the other kind are not pictures but are