This book provides an extended definition of western architecture from the Renaissance to the twenty-first century. It includes quotations by important architects. Others have been gathered, adding further definition and description through paraphrases and original composition. This book addresses a variety of thoughts on architecture as both art and practicality, form and function, with quotations and comments generally divided into concepts associated with art, space and time, and cultural bases, among others. The content of this study will be of interest to anyone addressing architecture in a serious way, providing topics for further elucidation and discussion.