The document provides brand guidelines for the Subway visual identity system. It introduces the new bold and vibrant visual identity as an update that balances their history with their future. The guidelines contain sections on brand positioning, design principles, brand marks, color, typography, tone of voice, imagery, iconography, layouts, and contacts. The brand's positioning focuses on accessibility and quality. Core colors include Subway green and yellow. The logotype and new Choice Mark are the two main brand marks.