When I started at NL in 2004, the companies we worked with always had extensive brand-standards documents. Beautiful treatises that prescribed graphics, fonts, and color in stark detail. Each pixel and serif was considered and curated so that any deliverable created would represent the company in a uniform, approved way. Which was just solid marketing practice. If you allow styles to deviate and give departments agency to change things to their preferences, you risk the brand identity becoming diluted and indistinguishable in the marketplace.
Tags: visual design