It will probably make the most sense if you read these articles in roughly the same order in which Ezio Manzini presented them.
We have designers of thought, why not design philosophers to the material world in which the manifestations of our thoughts exist.
Iconograhy: The study of symbols that provoke an emotive response, drawn from cultural and individual preferences and experience.
The environment: ecosystems, flora and fauna. It can also mean: political, economic, social, technical, tribal and global environments.
The system is such that when in peace we prepare for war and when in war we try to make peace.
Economics: the social science of production, distribution, & consumption of goods & services. The allocation of resources by individuals, businesses & governments.