What is meant by "social and institutional dimensions" in religion?

This
concept is used by Ninian Smart and others to differentiate between the public and overt face of
a religion and other aspects of it.

The social and institutional face or
dimension of a religion are the public beliefs and attitudes widely held by an entire faith
group. These dimensions encompass the faith's dogmas and creeds. They include the officially
approved version of what the group believes. They are the officially sanctioned public practices
and activities the group engages in.

It is important to differentiate
between this-- what we might call collective faith expression--and the...