A postcard is a piece of thick paper or thin cardboard, typically rectangular, intended for writing and mailing without an envelope. As shown in the building postcard diagram, postcards can be used to show someone how nice of a time one is having during the vacation. Anyone can create a cool eye-catching building postcard using EdrawMax by importing building pictures directly from their system and exporting or sharing it with their loved one in any format. At the same time, there are several benefits of using postcards to promote the business as they are affordable, measurable, versatile, efficient, tangible, and quick to launch.