These fails affect either the shape of the building or the choice or arrangement of its wall materials. Everything from the relative size and arrangement of wings to the detailing of the wall base, building colors, number of materials, and proper (and improper) location of joints between different materials are all included in this section.
Corner boards should always be at least a 1x4. Check out this toothpick of a corner board!
Standing trim is vertical (standing up) whereas running trim is horizontal (running around the building.) Here's the rule of thumb on how they should interact with each other.