Visuals by use
Motion studies and their still alternatives · Practice drawing system boxes
All original assets are preserved. The original overview artwork records the earlier tier-based presentation; the current reading order is the curriculum.
Original illustrations
| Illustration | File |
|---|---|
| act1 shape |  |
| act2 shape |  |
| authz failure modes |  |
| average hides it |  |
| batch size |  |
| build once promote |  |
| burn rate |  |
| cardinality explosion |  |
| change loop |  |
| deploy vs release |  |
| design doc weight |  |
| flake grid |  |
| incident timeline |  |
| index cost |  |
| lethal trifecta |  |
| leverage curve |  |
| migration phases |  |
| request lifecycle |  |
| retry amplification |  |
| scaling order |  |
| spec fidelity |  |
| staff archetypes |  |
| strategy ladder |  |
| test tradeoff |  |
| timeout budget |  |
| two designs |  |
| verify bottleneck |  |
| where state lives |  |
| Earlier overview artwork |  |