refer to deeper meanings within a design work, such as the choice of setting, objects/images/ body language, materials, colours and other design elements and principles used.

used in a design can give a deeper insight into its purpose or meaning and will support other codes used.

Technical codes refer to techniques, methods, processes and standards associated with the creation of a design. This may involve using technical drawing standards, photographic camera/lighting techniques, or a magazine cover structure/layout.