address the review

Author: sanposhiho

content/en/docs/concepts/scheduling-eviction/scheduling-framework.md

@@ -43,15 +43,18 @@ A scheduling or binding cycle can be aborted if the Pod is determined to
 be unschedulable or if there is an internal error. The Pod will be returned to
 the queue and retried.
 
-## Extension points
+## Interfaces
 
-The following picture shows the scheduling context of a Pod and the extension
-points that the scheduling framework exposes. In this picture "Filter" is
+The following picture shows the scheduling context of a Pod and the interfaces
+that the scheduling framework exposes. In this picture "Filter" is
 equivalent to "Predicate" and "Scoring" is equivalent to "Priority function".
 
-One plugin may register at multiple extension points to perform more complex or
+One plugin may implement multiple interfaces to perform more complex or
 stateful tasks.
 
+Some interfaces are called as extension points which can be controled through 
+[Scheduler Configuration](/docs/reference/scheduling/config/#extension-points).
+
 {{< figure src="/images/docs/scheduling-framework-extensions.png" title="Scheduling framework extension points" class="diagram-large">}}
 
 ### PreEnqueue {#pre-enqueue}
@@ -65,6 +68,28 @@ Otherwise, it's placed in the internal unschedulable Pods list, and doesn't get
 For more details about how internal scheduler queues work, read
 [Scheduling queue in kube-scheduler](https://github.com/kubernetes/community/blob/f03b6d5692bd979f07dd472e7b6836b2dad0fd9b/contributors/devel/sig-scheduling/scheduler_queues.md).
 
+### EnqueueExtension
+
+EnqueueExtension is the interface where the plugin can control 
+whether to retry scheduling of Pods rejected by this plugin, based on changes in the cluster.
+Plugins that implement PreEnqueue, PreFilter, Filter, Reserve or Permit should implement this interface.
+
+#### QueueingHint
+
+{{< feature-state for_k8s_version="v1.28" state="beta" >}}
+
+QueueingHint is a callback function for deciding whether a Pod can be requeued to the active queue or backoff queue. 
+It's executed every time a certain kind of events happen,
+and when the QueueingHint finds that the event might make the Pod schedulable, 
+the Pod is put into the active queue or the backoff queue
+so that the scheduler will retry the scheduling of the Pod.
+
+{{< note >}}
+QueueingHint is a beta-level field and is enabled by default in 1.28. 
+You can disable it via the
+`SchedulerQueueingHints` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/).
+{{< /note >}}
+
 ### QueueSort {#queue-sort}
 
 These plugins are used to sort Pods in the scheduling queue. A queue sort plugin
@@ -148,7 +173,7 @@ NormalizeScore extension point.
 
 ### Reserve {#reserve}
 
-A plugin that implements the Reserve extension has two methods, namely `Reserve`
+A plugin that implements the Reserve interface has two methods, namely `Reserve`
 and `Unreserve`, that back two informational scheduling phases called Reserve
 and Unreserve, respectively. Plugins which maintain runtime state (aka "stateful
 plugins") should use these phases to be notified by the scheduler when resources
@@ -218,30 +243,10 @@ skipped**.
 
 ### PostBind {#post-bind}
 
-This is an informational extension point. Post-bind plugins are called after a
+This is an informational interface. Post-bind plugins are called after a
 Pod is successfully bound. This is the end of a binding cycle, and can be used
 to clean up associated resources.
 
-### EnqueueExtension
-
-EnqueueExtension is the interface where the plugin can have control how the scheduling of Pods rejected by this plugin are retried.
-PreEnqueue, PreFilter, Filter, Reserve and Permit plugins are supposed to implement this interface.
-
-{{< feature-state for_k8s_version="v1.28" state="beta" >}}
-
-QueueingHint is a part of EnqueueExtension. 
-It's a callback function for deciding whether a Pod can be requeued to the active queue or backoff queue. 
-It's executed every time a certain kind of events happen,
-and when the QueueingHint finds that the event might make the Pod schedulable, 
-the Pod is put into the active queue or the backoff queue
-so that the scheduler will retry the scheduling of the Pod.
-
-{{< note >}}
-QueueingHint is a beta-level field and is enabled by default in 1.28. 
-You can disable it via the
-`SchedulerQueueingHints` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/).
-{{< /note >}}
-
 ## Plugin API
 
 There are two steps to the plugin API. First, plugins must register and get