What kind of practical writing is the poster similar to?

Advertising. Posters are usually used for publicity activities, promoting products or services, and reminding viewers to participate in activities. Compared with other practical articles, posters convey information and emotion through clever combination of colors, typesetting, images, slogans and other elements. Poster is similar to the title, introduction and text in the application text. It needs short words and well-designed images to arouse the interest of the audience and convey the desired effect to them. Posters, like advertising copy, are tools to convey information, attract attention and urge people to take action. Similar to practical writing, posters often need concise words and eye-catching visual elements to attract the attention of the target audience.