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Cache

Cache

Temporarily storing frequently used data so the system responds faster.

For example

I keep popular word results in the cache so they show up faster next time.

Resources

Copy prompt

Suggest what to cache in this app, with TTLs and invalidation rules.

Related terms

20Backend & data

Backend

Backend

What users cannot see, handling data and business logic behind the scenes.

For example

When I log in, the backend verifies my account and password.

21Backend & data

Database

Database

Where data is stored long term: user details, saved items and so on.

For example

The words I saved live in the database and are still there next time.

22Backend & data

API

API

The window through which two pieces of software place orders at each other.

For example

My app sends a word to the AI through an API and gets the explanation back.

MDN HTTP
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