[v10.3.x] Docs: Rename variables pages (#88251)

* Docs: Rename variables pages (#87844)

* Renamed Manage variables page to Add variables

* Renamed Inspect variables page to Manage and inspect variables

* Updated H1 on Add variables

* Moved Manage variables content to from Add varibles page to Manage and inspect variables page and updated text to fit

* Updated link style to ref URIs in Manage and inspect variables

(cherry picked from commit 197ce3042d)

* Fixed link type

docs/sources/dashboards/variables/inspect-variable/index.md

@@ -14,14 +14,27 @@ labels:
     - cloud
     - enterprise
     - oss
-title: Inspect variables
+title: Manage and inspect variables
+menuTitle: Inspect variables
 description: Review and manage your dashboard variables
 weight: 200
 ---
 
-# Inspect variables
+# Manage and inspect variables
 
-The variables page lets you easily identify whether a variable is being referenced (or used) in other variables or dashboard. In addition, you can also [add][] and [manage variables][] on this page.
+The variables page lets you [add][] variables and [manage](#manage-variables) existing variables. It also allows you to [inspect](#inspect-variables) variables and identify whether a variable is being referenced (or used) in other variables or dashboard.
+
+## Manage variables
+
+You can take the following actions on the variables page:
+
+- **Move:** You can move a variable up or down the list using drag and drop.
+- **Clone:** To clone a variable, click the clone icon from the set of icons on the right. This creates a copy of the variable with the name of the original variable prefixed with `copy_of_`.
+- **Delete:** To delete a variable, click the trash icon from the set of icons on the right.
+
+## Inspect variables
+
+The variables page lets you easily identify whether a variable is being referenced (or used) in other variables or dashboard. In addition, you can also [add][] and [manage variables](#manage-variables) on this page.
 
 {{% admonition type="note" %}}
 This feature is available in Grafana 7.4 and later versions.