How to design class cards?

How to design class cards to look good? Class songs are played in various forms, including animation, music and copywriting. Each line has various forms of expression, and the combination of its forms, such as charts and arrows, patterns and words and forms, can produce multiple patterns, and then perform according to the needs of the theme, and set different forms to form mutual contrast and contrast, forming a whole. Their contents are different, and the pictures of each theme are the same, but the images or patterns are different, and each form has its own uniqueness. There are mainly the following forms: First, the expression of abstract patterns. The second is the performance of concrete patterns. Third, the expression of abstract patterns. Fourth, the comprehensiveness of written expression. As an element of visual image, words must convey information accurately. In design, words should not only be as easy to read as graphics.