DOCS-11663 queries on views implementation (#6115)

source/includes/extracts-views.yaml

@@ -63,6 +63,23 @@ content: |
    - If the aggregation pipeline used to create the view suppresses the
      ``_id`` field, documents in the view do not have the ``_id`` field.
 
+   When you query a view, the:
+
+   - Query ``filter``, ``projection``, ``sort``, ``skip``, ``limit``,
+     and other operations for :method:`db.collection.find()` are
+     converted to the equivalent :ref:`aggregation pipeline stages
+     <aggregation-pipeline-operator-reference>`.
+
+   - Converted aggregation pipeline stages are added to the end of the
+     :ref:`aggregation pipeline <aggregation-pipeline>` for the view.
+     This does not modify the view's underlying pipeline, which is set
+     when you create the view.
+
+   - :doc:`Aggregation pipeline optimizer
+     </core/aggregation-pipeline-optimization>` reshapes the view
+     aggregation pipeline stages to improve performance. This does not
+     change the query results.
+
    Sharded View
    ~~~~~~~~~~~~