What are the dimensions and pixels of general community recruitment leaflets? What is the following?

How to make a poster:

1. Create a theme. The design of a poster should focus on the central idea, so it is most important to establish a good central idea. The theme should be novel, unique, eye-catching and to its liking, so as to achieve the publicity effect;

2. Draw a sketch. This sketch can roughly outline the overall layout and content of the poster, determine its pattern and text, and finally determine the general content after repeated revisions;

3. Adjust the tone structure. The tune should conform to the theme, and the structural adjustment should also conform to and emphasize the theme. In addition, special emphasis should be placed on propaganda slogans, which should be clear and eye-catching.