Second, the poster should quickly orient the audience to the subject and purpose. One good test is whether the audience recognises the subject and purpose within 20 seconds of seeing the poster. Usually, a poster accomplishes this goal with a well-crafted title and with supporting images. Also, make sure that the type is large enough to be read and that enough contrast exist between the color of the type and poster’s background. Typography recommendations can be found in the following PowerPoint poster template.