Any graphic design product that holds a message can be called a sign - be it a banner for a soccer team, or a logo for an international company. Variety of types and applications makes it extremely difficult for designers to come up with brilliant, functional designs.
Shape and weight are only two of the most important aspects of an effective sign. The rest includes position, motion, typography, relevance, colour, and composition. The last two can sometimes be quite tricky, which is why we've decided to help you out by sharing this beautiful infographic created by Sign.com.
It explains the theory behind different elements of colour and composition. It will tell you, which principles of composition you need to keep in mind while designing a sign and what attributes of typography you should focus on to create emphasis.