A successful campaign sign is a VEE, which stands for 'Visible, Eye-catching, and Effective'. It is an important part of any political campaign, as it helps to draw attention to the candidate and their message. The sign should be placed in a visible location, such as near a busy intersection or in front of a business, and should be designed to be eye-catching and memorable. Additionally, the sign should be effective in conveying the candidate's message and goals.