When creating an application in kubernetes, there are a lot of values for the kind: field. This is how to find those, and explain them so you know what values should be there.

Example:

apiVersion: v1
kind: Service
    metadata:
        name: hello-world-service
spec:
    selector:
        app: hello-world
    ports:
    - protocol: TCP
      port: 80
      targetPort: 80
    type: ClusterIP

The Resource in there is Service. To get the full list, do: kubectl api-resources.

Then, you can view more information in each one by doing kubectl explain <resource>, eg kubectl explain pods or kubectl explain service