diff --git a/pkg/kubectl/cmd/apply/apply.go b/pkg/kubectl/cmd/apply/apply.go
index 1d0d8bc1563..7b4f6f5f6ae 100644
--- a/pkg/kubectl/cmd/apply/apply.go
+++ b/pkg/kubectl/cmd/apply/apply.go
@@ -56,6 +56,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubectl/validation"
 )
 
+// ApplyOptions defines flags and other configuration parameters for the `apply` command
 type ApplyOptions struct {
 	RecordFlags *genericclioptions.RecordFlags
 	Recorder    genericclioptions.Recorder
@@ -132,6 +133,7 @@ var (
 	warningNoLastAppliedConfigAnnotation = "Warning: %[1]s apply should be used on resource created by either %[1]s create --save-config or %[1]s apply\n"
 )
 
+// NewApplyOptions creates new ApplyOptions for the `apply` command
 func NewApplyOptions(ioStreams genericclioptions.IOStreams) *ApplyOptions {
 	return &ApplyOptions{
 		RecordFlags: genericclioptions.NewRecordFlags(),
@@ -194,6 +196,7 @@ func NewCmdApply(baseName string, f cmdutil.Factory, ioStreams genericclioptions
 	return cmd
 }
 
+// Complete verifies if ApplyOptions are valid and without conflicts.
 func (o *ApplyOptions) Complete(f cmdutil.Factory, cmd *cobra.Command) error {
 	o.ServerSideApply = cmdutil.GetServerSideApplyFlag(cmd)
 	o.ForceConflicts = cmdutil.GetForceConflictsFlag(cmd)
@@ -325,6 +328,7 @@ func isIncompatibleServerError(err error) bool {
 	return err.(*errors.StatusError).Status().Code == http.StatusUnsupportedMediaType
 }
 
+// Run executes the `apply` command.
 func (o *ApplyOptions) Run() error {
 	var openapiSchema openapi.Resources
 	if o.OpenAPIPatch {
@@ -761,6 +765,7 @@ func (p *Patcher) delete(namespace, name string) error {
 	return runDelete(namespace, name, p.Mapping, p.DynamicClient, p.Cascade, p.GracePeriod, p.ServerDryRun)
 }
 
+// Patcher defines options to patch OpenAPI objects.
 type Patcher struct {
 	Mapping       *meta.RESTMapping
 	Helper        *resource.Helper
@@ -926,6 +931,8 @@ func (p *Patcher) patchSimple(obj runtime.Object, modified []byte, source, names
 	return patch, patchedObj, err
 }
 
+// Patch tries to patch an OpenAPI resource. On success, returns the merge patch as well
+// the final patched object. On failure, returns an error.
 func (p *Patcher) Patch(current runtime.Object, modified []byte, source, namespace, name string, errOut io.Writer) ([]byte, runtime.Object, error) {
 	var getErr error
 	patchBytes, patchObject, err := p.patchSimple(current, modified, source, namespace, name, errOut)
diff --git a/pkg/kubectl/cmd/apply/apply_edit_last_applied.go b/pkg/kubectl/cmd/apply/apply_edit_last_applied.go
index 0290a55e042..b8473f018b3 100644
--- a/pkg/kubectl/cmd/apply/apply_edit_last_applied.go
+++ b/pkg/kubectl/cmd/apply/apply_edit_last_applied.go
@@ -55,6 +55,7 @@ var (
 		kubectl apply edit-last-applied -f deploy.yaml -o json`)
 )
 
+// NewCmdApplyEditLastApplied created the cobra CLI command for the `apply edit-last-applied` command.
 func NewCmdApplyEditLastApplied(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
 	o := editor.NewEditOptions(editor.ApplyEditMode, ioStreams)
 
diff --git a/pkg/kubectl/cmd/apply/apply_set_last_applied.go b/pkg/kubectl/cmd/apply/apply_set_last_applied.go
index 47b5b5fcd90..07d6d5736b4 100644
--- a/pkg/kubectl/cmd/apply/apply_set_last_applied.go
+++ b/pkg/kubectl/cmd/apply/apply_set_last_applied.go
@@ -37,6 +37,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubectl/util/templates"
 )
 
+// SetLastAppliedOptions defines options for the `apply set-last-applied` command.`
 type SetLastAppliedOptions struct {
 	CreateAnnotation bool
 
@@ -58,6 +59,7 @@ type SetLastAppliedOptions struct {
 	genericclioptions.IOStreams
 }
 
+// PatchBuffer caches changes that are to be applied.
 type PatchBuffer struct {
 	Patch     []byte
 	PatchType types.PatchType
@@ -81,6 +83,7 @@ var (
 		`))
 )
 
+// NewSetLastAppliedOptions takes option arguments from a CLI stream and returns it at SetLastAppliedOptions type.
 func NewSetLastAppliedOptions(ioStreams genericclioptions.IOStreams) *SetLastAppliedOptions {
 	return &SetLastAppliedOptions{
 		PrintFlags: genericclioptions.NewPrintFlags("configured").WithTypeSetter(scheme.Scheme),
@@ -88,6 +91,7 @@ func NewSetLastAppliedOptions(ioStreams genericclioptions.IOStreams) *SetLastApp
 	}
 }
 
+// NewCmdApplySetLastApplied creates the cobra CLI `apply` subcommand `set-last-applied`.`
 func NewCmdApplySetLastApplied(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
 	o := NewSetLastAppliedOptions(ioStreams)
 	cmd := &cobra.Command{
@@ -112,6 +116,7 @@ func NewCmdApplySetLastApplied(f cmdutil.Factory, ioStreams genericclioptions.IO
 	return cmd
 }
 
+// Complete populates dry-run and output flag options.
 func (o *SetLastAppliedOptions) Complete(f cmdutil.Factory, cmd *cobra.Command) error {
 	o.dryRun = cmdutil.GetDryRunFlag(cmd)
 	o.output = cmdutil.GetFlagString(cmd, "output")
@@ -141,6 +146,7 @@ func (o *SetLastAppliedOptions) Complete(f cmdutil.Factory, cmd *cobra.Command)
 	return nil
 }
 
+// Validate checks SetLastAppliedOptions for validity.
 func (o *SetLastAppliedOptions) Validate() error {
 	r := o.builder.
 		Unstructured().
@@ -187,6 +193,7 @@ func (o *SetLastAppliedOptions) Validate() error {
 	return err
 }
 
+// RunSetLastApplied executes the `set-last-applied` command according to SetLastAppliedOptions.
 func (o *SetLastAppliedOptions) RunSetLastApplied() error {
 	for i, patch := range o.patchBufferList {
 		info := o.infoList[i]
diff --git a/pkg/kubectl/cmd/apply/apply_view_last_applied.go b/pkg/kubectl/cmd/apply/apply_view_last_applied.go
index 60a084912d9..ba51e2ad4cb 100644
--- a/pkg/kubectl/cmd/apply/apply_view_last_applied.go
+++ b/pkg/kubectl/cmd/apply/apply_view_last_applied.go
@@ -31,6 +31,7 @@ import (
 	"sigs.k8s.io/yaml"
 )
 
+// ViewLastAppliedOptions defines options for the `apply view-last-applied` command.`
 type ViewLastAppliedOptions struct {
 	FilenameOptions              resource.FilenameOptions
 	Selector                     string
@@ -57,6 +58,7 @@ var (
 		kubectl apply view-last-applied -f deploy.yaml -o json`))
 )
 
+// NewViewLastAppliedOptions takes option arguments from a CLI stream and returns it at ViewLastAppliedOptions type.
 func NewViewLastAppliedOptions(ioStreams genericclioptions.IOStreams) *ViewLastAppliedOptions {
 	return &ViewLastAppliedOptions{
 		OutputFormat: "yaml",
@@ -65,6 +67,7 @@ func NewViewLastAppliedOptions(ioStreams genericclioptions.IOStreams) *ViewLastA
 	}
 }
 
+// NewCmdApplyViewLastApplied creates the cobra CLI `apply` subcommand `view-last-applied`.`
 func NewCmdApplyViewLastApplied(f cmdutil.Factory, ioStreams genericclioptions.IOStreams) *cobra.Command {
 	options := NewViewLastAppliedOptions(ioStreams)
 
@@ -90,6 +93,7 @@ func NewCmdApplyViewLastApplied(f cmdutil.Factory, ioStreams genericclioptions.I
 	return cmd
 }
 
+// Complete checks an object for last-applied-configuration annotations.
 func (o *ViewLastAppliedOptions) Complete(cmd *cobra.Command, f cmdutil.Factory, args []string) error {
 	cmdNamespace, enforceNamespace, err := f.ToRawKubeConfigLoader().Namespace()
 	if err != nil {
@@ -134,10 +138,12 @@ func (o *ViewLastAppliedOptions) Complete(cmd *cobra.Command, f cmdutil.Factory,
 	return nil
 }
 
+// Validate checks ViewLastAppliedOptions for validity.
 func (o *ViewLastAppliedOptions) Validate(cmd *cobra.Command) error {
 	return nil
 }
 
+// RunApplyViewLastApplied executes the `view-last-applied` command according to ViewLastAppliedOptions.
 func (o *ViewLastAppliedOptions) RunApplyViewLastApplied(cmd *cobra.Command) error {
 	for _, str := range o.LastAppliedConfigurationList {
 		switch o.OutputFormat {