This slideshare presentation is great for explaining what is Business Architecture:
[Update : it seems the slideshare has moved here : http://www.slideshare.net/DavidOHara2/understanding-business-architecture-v32]
- Motivation model
- Influencers
- Means
- Ends
- Assessments
- Business Model (kind of business canvas)
- Market Model
- Product & Services Model
- Operating Model
- Operating/Capability model
- People
- Process
- Information
- Technology
- Roadmap -> Means
- Governance -> Control