The document contains four reaction papers written by Carmen Chee Cha Yi for her Theories of Architecture and Urbanism course. Each paper summarizes and analyzes a reading on architectural theory. The first paper discusses Jane Jacobs' book Death and Life of Great American Cities and her argument that parks need diverse surrounding uses. The second examines the distinction between architectural ideology and theory. The third explores Juhani Pallasmaa's perspective on phenomenology and architectural experience. The fourth analyzes Kenneth Frampton's concept of critical regionalism in architecture.