If any cultic group becomes intolerant of its culture, warfare breaks out. Symbol groups are pitted against each other. The communal Whole is weakened or even destroyed. If it ceases to allow new voices to legislate the Future, there is decadence. The house is pointed like the Cathedral and has a door with the cross carved into it.
Moderns have houses with flat roofs and flush doors.
Indians had tepees, cone shaped portable dwellings. Such social arrangements reflect mythology or ideology. Conversely, a change in mythology will lead to rearrangement of social patterns. We may study a text by looking at the social arrangements which produced it. Or, we may study the symbols in the text and observe how they call new social relationships into being.