Posters in public areas (pillars, buildings, streets, parking lots, and so on) are vulnerable to a variety of external effects, including the type of context, lighting circumstances, weather conditions, competition with other nearby visual media, and partial concealment by people or objects.

The aggregate of these variables, as well as the less-than-ideal framework conditions, have a significant impact on the visibility and readability of posters. The following are the most crucial characteristics to consider for a good poster design:

• Format/Size: Huge format is more noticeable in general, but a smaller, highly bright and color-intensive poster is more appealing than a large, dark-colored poster.
• Background/Use light: non-cloudy colors for the paper/background. Contrast should be addressed while using darker hues.
• Contrast: Strong contrasts (for example, light-dark or complementary contrasts) are eye-catching; nonetheless, an overflow of contrasts should be avoided.
• Size and prominence of the motif: select an appealing motif in a format-appropriate size. Originality and recognition should be the driving forces.
• Title/slogan: the most effective and appealing slogan, such as an explanation, a query, or an antithesis
• Typeface type and size: use a font that is easy to read and consistent with the "character" of the poster.
• Remote readability: all of the previously listed factors have a significant impact on the poster's perception. The context of use must be examined (whether large-format city advertising or little posters for a literary event, which are normally hung in buildings).
• Contents/information: Product information, dates, places, and so on are legible and provided in "exposed" portions of the poster.