A team receives many requests to change colors, fonts, and logo placement for different events. Text exhibit: 16:9 classroom exhibit titled 'Brand Change Request Process'. Show a five-step flowchart: Request submitted, Check style guide, Check accessibility, Check audience context, Approve or revise. Use arrows left to right. Use a clean white background, black labels, simple placeholder venture names, and no decorative brand marks beyond those described. Which governance process best protects brand consistency?