• Functional (components)
• Constructive (modules)
• Spatial (placement)
• Economics and P&L view (especially for organisations-as-systems)
• Consumer needs and total addressable market
• Temporal, time synchronisation
• Ownership structure
• Information flows (Document data transformations when designing a system), including data for (machine) learning.
• APIs
• Access (for security engineering)
• Examine the architecture with value stream mapping
• Resource consumption
• Impacts (in life-time assessments), Consequential LCA (see Consequential LCAs should come before economic and physical LCAs)
• Failure Mode and Effects Analysis
• Reliability, throughput, latency (to find weak points, hot spots, and inform performance optimization)
• Causal diagram (‣)

Concretely:

• System needs for a vehicle battery

Related:

• Project alphas