What is a theme poster? The difference between theme posters and public service posters

What is the connection between theme posters and poster design? Theme poster is a classification of poster design. Theme posters, such as Expo theme posters, environmental protection theme posters, campus art festival theme posters, etc. Poster design includes the design of all kinds of posters, including public welfare posters, commercial posters, cultural posters, theme posters, movie posters and so on. First, the main concepts: theme wall, theme poster, children poster. What is the difference between them? This theme contains different themes. Main concept: theme wall and theme poster are the same concept: 1 The theme poster is more of a teacher's teaching logic. 2. Children's theme posters mainly reflect children's main role and children's development logic. Theme posters and public service posters are divided into commercial posters and public service posters. The differences between them are as follows: First, the purpose is different. Commercial posters are for attracting investment, for profit, and public welfare posters are for awakening human beings. Second: different typography, commercial posters are messy, and of course there are special ones. Public welfare posters are intuitive and simple and generous.