DOCS-16286-explain-executionStats-nReturned-incorrect-desc (#6132) (#6224)

* DOCS-16286-explain-executionStats-nReturned-incorrect-desc

* Adding taxonomy tagging, updated duplicate section with new description.

* Further clarifying after feedback, removing inaccurate explain.nReturned entry after external review.

* Updating Compass procedure.

* Removing nReturned from query example due to incorrect location.

* Removing redundant taxonomy tags.

Author: mmaville-mdb

source/reference/explain-results.txt

@@ -558,7 +558,7 @@ representative. Your output may differ significantly.
 
    .. data:: explain.executionStats.nReturned
 
-      Number of documents that match the query condition.
+      Number of documents returned by the winning query plan.
       :data:`~explain.executionStats.nReturned` corresponds to the ``n`` field
       returned by ``cursor.explain()`` in earlier versions of MongoDB.
 
@@ -842,7 +842,6 @@ The following fields are included in the explain results for a
    totalKeysExamined: <long>,
    collectionScans: <long>,
    indexesUsed: [ <string_1>, <string_2>, ..., <string_n> ],
-   nReturned: <long>,
    executionTimeMillisEstimate: <long>
 
 To see the descriptions for the fields in the ``$lookup`` section, see
@@ -870,10 +869,6 @@ The other fields are:
 
    Array of strings with the names of the indexes used by the query.
 
-.. data:: explain.nReturned
-
-   Number of documents that match the query condition.
-
 .. data:: explain.executionTimeMillisEstimate
 
    Estimated time in milliseconds for the query execution.

source/tutorial/analyze-query-plan.txt

@@ -4,6 +4,10 @@ Analyze Query Performance
 
 .. default-domain:: mongodb
 
+.. facet::
+   :name: programming_language
+   :values: shell
+
 .. contents:: On this page
    :local:
    :backlinks: none
@@ -141,7 +145,7 @@ Query with No Index
 
          - :data:`executionStats.nReturned
            <explain.executionStats.nReturned>` displays ``3`` to
-           indicate that the query matches and returns three documents.
+           indicate that the winning query plan returns three documents.
 
          - :data:`executionStats.totalKeysExamined
            <explain.executionStats.totalKeysExamined>` displays ``0``
@@ -202,7 +206,7 @@ Query with No Index
            execution stats of the query:
 
            - :guilabel:`Documents Returned` displays ``3`` to indicate
-             that the query matches and returns three documents.
+             that the winning query plan returns three documents.
 
            - :guilabel:`Index Keys Examined` displays ``0`` to
              indicate that this query is not using an index.
@@ -301,8 +305,8 @@ To support the query on the ``quantity`` field, add an index on the
            ``IXSCAN`` to indicate index use.
 
          - :data:`executionStats.nReturned <explain.executionStats.nReturned>`
-           displays ``3`` to indicate that the query matches and
-           returns three documents.
+           displays ``3`` to indicate that the winning query plan returns 
+           three documents.
 
          - :data:`executionStats.totalKeysExamined
            <explain.executionStats.totalKeysExamined>` displays ``3``
@@ -368,7 +372,7 @@ To support the query on the ``quantity`` field, add an index on the
            execution stats of the query:
 
            - :guilabel:`Documents Returned` displays ``3`` to indicate
-             that the query matches and returns three documents.
+             that the winning query plan returns three documents.
 
            - :guilabel:`Index Keys Examined` displays ``3``
              to indicate that MongoDB scanned three index entries. The