The number of words in the exhibition board is about five words, about 5000 words. The size of the exhibition board is 841x1189mm. The resolution is about 100- 150. Font size General font size: title 150 points, text 90 points. The specific font size depends on the placement of the display board and the content of the display board (the prominent words need to be larger). When measured in pounds, the bigger the pound, the largest pound is 72 pounds and the smallest pound is 5 pounds. The range of points is 1 ~ 1638, that is to say, the largest font size can be 1638, which is about 58 cm square, and the smallest font size is 1, so the three words add up to less than one millimeter wide. 1 lb = 1/72 inches = 1cm× 1/28≈0.35mm, 150 lb is 52.5 mm (5.25 cm) wide, and 90 lb is 3/kloc-0.