42  Index of Terms

This is a practical index of major topics and where to review them.

42.1 A

• Algorithms: Part III — The Shape of Algorithms, Algorithm Lab — The First Experiments, Algorithm Lab — When Algorithms Compete
• Architecture boundaries: Part VI — Building Real Software, Studio 4 — The Architecture Refactor

42.2 C

• Complexity (Big-O intuition): Part III — Measuring Algorithm Behavior, Part V — Algorithms That Power Systems
• Contracts (require / ensure): Part I — From Stories to Specifications, Part VII — Making Software Trustworthy, see docs/CONTRACTS.md

42.3 D

• Data modeling: Part II — Modeling the World, Studio 2 — The Model Redesign
• Data structures: Part IV — Organizing Data

42.4 I

• Inheritance contracts: Part VII — Making Software Trustworthy, see docs/CONTRACTS.md
• Invariants: Part II — Modeling Change, Part VII — Making Software Trustworthy, see docs/CONTRACTS.md

42.5 R

• Reliability and recovery: Studio 5 — Reliability, Part VII
• Refactoring for scale: Studio 3 — The Scaling Crisis, Part IV

42.6 S

• Scaling behavior: Studio 3 — The Scaling Crisis, Part V
• System evolution: Part VIII — Systems That Grow, Studio 6 — Evolution

42.7 T

• Testing and edge cases: Part I — Edge Cases: Where Systems Break, Part VII

42.8 V

• Verification mindset: Part VII — Making Software Trustworthy, Part IX — Programming in the Age of AI