BEGINNER ESSENTIAL
Library
Reusable code called by a program.
An everyday example
Take a needed wrench from the toolbox.
See how these concepts connect
The frontend requests through an API; the backend applies rules and accesses data. Results return in the reverse direction.
Where this term is useful
These are related contexts, not prerequisites.
Back in the project
When it comes up: When choosing the parts needed to run a project.
What to do next: Ask what each technology does for actual requirements, then run a minimal flow.
Open the related method and stepsWhat can this analogy leave out?
A framework does not create finished features; more dependencies are not always better.
Everyday examples explain roles and relationships; actual behavior follows the tool, language, or platform.