What it is: The Kubernetes control plane managed by AWS plus cluster configuration.

What it’s for:

• Provide Kubernetes API server and control components.
• Manage scheduling and cluster state.

Key ideas:

• Worker nodes (node groups) run your pods; control plane manages them.

Hard words:

• *scheduling* /ˈskedʒuːlɪŋ/: lập lịch (xếp pod lên node)
• *state* /steɪt/: trạng thái