Kubernetes: The whole orchestration system. It also referred as short form as Kube.
Kubectl: It is Kube/Cube control. CLI to configure kubernetes and manage apps.
Node: Single server in Kubernetes cluster.
Kubelet: Kubernetes agent running on nodes.
Control Plane: Set of Container that manages the cluster.
- Includes API server, Scheduler, controller manager, etcd and many more
- sometime referred as Master
Basics System terminology - How its fits in real time.