If you are designing based on a theme, engage considers by imagining the audience. That is, if you are designing for a fast food, use colors like red or orange so that the audience can connect with your design in the first moment.
Do not forget to always consider the mindset of your audience and design the poster accordingly.
Because this frame of mind is based on a structure created over time, and breaking, changing or modifying it will cost the employer a great deal.
The image is only a part of your poster design, and the text as a special tool has a decisive role in the clarity of your message. Consequently, it is preferable to use a light background and dark text to increase public control in addition to saving ink.
Ask yourself if you have chosen effective images for the design. Because you have little space in design posters and pictures take up an important part of your space.
It is better to use charts so that you can add more color palettes to your poster. It is not recommended to use clipart in the design of posters as they are not expressive.