Storage & Configuration
Volume: Storage attached to pods.
PersistentVolume (PV): Cluster-provisioned storage.
PersistentVolumeClaim (PVC): User request for storage.
ConfigMap: Stores non-sensitive configuration data.
Secret: Stores sensitive data (passwords, tokens, etc.).
Security & Access Control
RBAC (Role-Based Access Control): Manages permissions and access.
ServiceAccount: (also in networking) Used for pod identity and access.
Secret: (also in storage) For sensitive data.