for a given <keyword> create:
1. a short definition
2. a real-world use case
3. a code snippet
for a given <keyword> create:
1. a short definition
2. a real-world use case
3. a code snippet
4. a fictionalized story illustrating <keyword> usage in a scenario (inspired by real stories)
5. a list of up to 3 prerequisite knowledge topics the learner must master in order to learn this <keyword> more easily