Annotated diagrams and tables, command words and the marking-key levels

What this note covers

1. Why diagrams matter in the written examination
2. Types of diagram for each role
3. Writing annotations that earn marks
4. Describing a diagram in words (hub format)
5. Understanding the marking-key levels
6. Self-marking your practice answers
7. Worked example: a 4-mark diagram part, from label to annotation

7 sections · 10 key terms & formulas · 6 common mistakes