The concept map starts off by rephrasing the 3 principles of architecture stated by Vitruvius; “Firmitas, Utilitas, and Venustas.”  These crucial points all connect to to the word space because how we form space is an essential point to pay attention to while designing. When it comes to materials and structures on the concept map it shows more sub-categories, this is because having an extensive knowledge on different types of materials and structure systems can not only allow a person to be more creative with their designs but also  help optimize its durability and functionality.