Architecture as system
Probably the wrong meaning of ‘architecture’ for most people, unfortunately. But if your bent is what’s known as ‘enterprise architecture’ in the IT-systems field, you may find useful a new presentation available for download from my Tetradian website.
Full title is “Architecture as system: Enterprise-architecture, service-architecture and the Viable System Model” – 455kb in PDF format. (If you need the original animated Powerpoint, leave a comment here and I’ll email it to you.)