DEFINITION a simple description of the element
AKAother names, related ideas, etc.
PERFORMANCE CRITERIAhow is it measured? what are the criteria for its design or planning?
ILLUSTRATIONa diagram or drawing that demonstrates the basic pattern or concept
CASE STUDIESlinks to separate pages documenting specific places or projects where this element is on display
ADDITIONAL RESOURCESother weblinks, books,The articles, etc.Walrus relatedreviews to6 thishistoric elementsquares