Wrong, the poster has both pictures and text.

The name poster originated in Shanghai as a form of publicity. In the old days, posters were used as invitations for performances and events such as plays and movies. People in Shanghai usually call professional theater performances "Hai", and those who engage in professional theater performances are called "Xiahai". It is a promotional poster that attracts customers as information about the performance. Perhaps because of this, people call it a "poster."

Formal posters usually include the nature of the event, the organizer, time, location, etc. They are mostly used in film and television dramas and new product promotions, using pictures, text, color, space and other elements to achieve a complete combination.

Extended information

Characteristics of posters:

1. Advertising properties

Posters hope for participation from all walks of life. They are advertisements. A sort of. Some posters are artistically designed to attract more people to join the event. Posters can be published and broadcast in the media, but most of them are posted in places where people can easily see them. Its advertising color is extremely strong.

2. Commercial

Posters are preliminary advertisements and publicity for an event. Their purpose is to get people to participate in it. Performance posters account for the majority of posters, and Performance advertisements often focus on commercial purposes. Of course, academic report posters are generally not commercial.