2. Try to avoid using fonts that are too thick or too thin, because when viewed from a distance, fonts that are too thick can easily become blurry, while fonts that are too thin may not be visible.
3. Try to use simple fonts. Even strokes or fonts with uneven thickness will affect reading.
4. If there are English words, try not to use all capital letters. Use a mixed case arrangement to make it easier to understand from a distance. The design layout is simple and clear. The illustrations should be large and the background should be simple. Use contrasting colors so that people in the distance can clearly see it. At the same time, the impact of the billboard will be improved from the design concept.