This document discusses different types of signs. It describes directional signs that indicate directions, identifying signs that name places or things, and informational signs that provide information. It also mentions architectural signs that are beautifully crafted signs that can be seen from both close up and far away. The document provides guidelines for sign size based on location and states that certain colors like red, yellow, blue, green, orange and brown can be easily distinguished. It also discusses symbols and pictograms and notes that architectural drawings use standard symbols to clearly convey commonly used materials and features to builders.