In general, this amounts to a logo (logotype and/or logogram) and supporting devices commonly assembled within a set of guidelines.
How the identity is applied and confirm approved color palettes, typefaces, page layouts and other such methods of maintaining visual continuity and brand recognition across all physical manifestations of the brand.
Corporations have, need identity to run through all of their products and merchandise. Identity is the very SELF of the corporation.
LOGO is a superobject, the future, the becoming of this corporation. LOGO is a soul.
Above: The CBS logo, by William Golden; The New York, New Haven and Hartford Railroad trademark by Herbet Matter; IBM by Paul Rand and Olivetti by Italian designer Giovanni Pintori.