The document discusses different approaches to architectural design:
- Pragmatic design uses available materials and standard construction methods without innovation.
- Iconic design is more conservative and calls for copying existing solutions by modifying them for new conditions.
- Canonic design relies on rules like planning grids and proportioning systems as seen in Le Corbusier's modular designs.
- Analogical design results from using analogies with other fields or contexts, seen in Santiago Calatrava's use of organic forms.