| Articulating Trade-offs: Why This, Not That | concept | 2 | Open |
| Back-of-Envelope Estimation | concept | 2 | Open |
| Book Exercise Lanes | exercise | 2 | Open |
| Choose a Storage Approach | concept | 2 | Open |
| Concurrency, Consistency, and Transaction Boundaries | concept | 2 | Open |
| Data Model Design | concept | 2 | Open |
| Decompose Each Component | concept | 2 | Open |
| Draw the Box Diagram | concept | 2 | Open |
| Identify Bottlenecks and Single Points of Failure | concept | 2 | Open |
| Identifying the Hard Parts | concept | 2 | Open |
| Learning Resources | resource | 2 | Open |
| Place the Caches, CDN, and Load Balancers | concept | 2 | Open |
| Producing a Design Doc Worth Reviewing | concept | 2 | Open |
| Reason About Failure: What Happens When X Dies? | concept | 2 | Open |
| Reference and Selective Reading | reference | 2 | Open |
| Scale the Hot Path: 10x and 100x Reasoning | concept | 2 | Open |
| The Four-Phase Interview/Review Structure | concept | 2 | Open |
| Understanding the Requirements | concept | 2 | Open |