Banner/Bunting/Billboard

Criteria of a good and effective banner/bunting/advertisement:

Readable and unreadable caption depending on the simple and eye catching illustration;
Focus on the essential point;
Engaging the audience by using dialog instead of monolog;
The arrangement of layout according to the letter "Z" (top left to below right) and the appropriate illustration and font arrangement will increase the appeal to the audience;
Colour used need to be contra from the background for attention-grabbing;
Eye catching visual;
Highlight the brand and provide details to be contacted (if necessary);
Size and height of the banner/bunting and advertisement board must be visible; and Strategic location