Abstraction / Simplicity
Kind: tension
Record: tension:abstraction-simplicity
Canonical: Schema
"abstraction" (structural-core layer) is traded against "Simplicity" (human-factors layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Simplicity" and choosing an explicit operating point.
Listed in Tensions, after Information Hiding / Observability and before Modularity / Cross-Cutting Concerns.