They constitute a kind of spiritual hierarchy which is absolutely necessary for every individual.
He believed in a roads hierarchy which prioritised pedestrians, cyclists and buses in that order.
What about the issue of hierarchy, which can also be quite different across cultures?
He found comfort in hierarchy, which obviated the need to be self-motivating and take risks.
They enter into a hierarchy, which gives them confidence and gradually they are assigned more important tasks".
Poland's Roman Catholic hierarchy, which has long dithered about the EU, at last came down firmly in favour of membership.
The key change that we need in London is to reinstate the road user hierarchy, which Johnson scrapped in his revised London Plan.
So it seemed the perfect place to explore ideas of hierarchy, which is how we came to the idea of putting on Macbeth".
One potentially important undertone relates to a row between Adam and Blackpool's hierarchy, which was settled towards the end of last year.
The fact is that the entire hierarchy (which constitutes the definition of "church") has been and remains complicit and therefore utterly compromised.
The film's sense of comedy arises from the subversion of the hierarchy, which is restrictive and comforting at the same time.
