Loading**. We used an ``option`` in conjunction with the
:class:`~sqlalchemy.orm.query.Query` object in order to indicate that a
relationship should be loaded at the same time as the parent, within a single
-SQL query. This option, known as :func:`.joinedload`
+SQL query. This option, known as :func:`.joinedload`, connects a JOIN (by default
+a LEFT OUTER join) to the statement and populates the scalar/collection from the
+same result set as that of the parent:
.. sourcecode:: python+sql