DOCS-504 aggregation methods and commands

Author: kay-kim

source/aggregation.txt

@@ -33,13 +33,10 @@ For the descriptions of aggregation operators, see
 
    reference/aggregation
 
-In addition, MongoDB provides the following commands and methods to
-perform simple aggregation functions:
-
-- :dbcommand:`count`
-- :method:`db.collection.count()`
-- :method:`cursor.count()`
-- :dbcommand:`distinct`
-- :method:`db.collection.distinct()`
-- :dbcommand:`group`
-- :method:`db.collection.group()`
+In addition to the aggregation framework, MongoDB provides simple
+:doc:`aggregation methods and commands </reference/simple-aggregation>`:
+
+.. toctree::
+   :maxdepth: 2
+
+   reference/simple-aggregation

source/reference/simple-aggregation.txt

@@ -0,0 +1,41 @@
+=======================================
+Simple Aggregation Methods and Commands
+=======================================
+
+.. default-domain:: mongodb
+
+In addition to the :doc:`aggregation
+framework</applications/aggregation>` and :term:`map-reduce`, MongoDB
+provides the following methods and commands to perform aggregation:
+
+Count
+-----
+
+MongoDB offers the following command and methods to provide ``count``
+functionality:
+
+- :doc:`/reference/command/count`
+
+- :doc:`/reference/method/db.collection.count`
+
+- :doc:`/reference/method/cursor.count`
+
+Distinct
+--------
+
+MongoDB offers the following command and method to provide the
+``distinct`` functionality:
+
+- :doc:`/reference/command/distinct`
+
+- :doc:`/reference/method/db.collection.distinct`
+
+Group
+-----
+
+MongoDB offers the following command and method to provide ``group``
+functionality:
+
+- :doc:`/reference/command/group`
+
+- :doc:`/reference/method/db.collection.group`