We’ve all seen the small signs and symbols presented on packages, but do you know what they actually stand for? These may seem irrelevant to some, but for designers who work on packaging projects, knowing their meaning is important. For example, the umbrella with rain means to keep the package dry, and to motivate you to learn the rest of these, we brought you this cardboard box packaging mockup from Free Mockup Zone. With its 3000 × 2300 pixels resolution, it presents a number of boxes set on wooden support with both the side and front shown.