| brass tacks(expression, foundation, basic, stipulation) |
| command(noun, regulation, order, rule) |
| commandment(noun, regulation, order, rule) |
| cornerstone(noun, foundation, basic, stipulation) |
| criterion(noun, regulation, order, rule) |
| decorum(noun, regulation, order, test) |
| decree(noun, regulation, order, rule) |
| decretion(noun, regulation, order, test) |
| direction(noun, regulation, order, rule) |
| element(noun, foundation, basic, stipulation) |
| etiquette(noun, regulation, order, test) |
| guide(noun, regulation, order, rule) |
| guideline(noun, regulation, action, order) |
| keynote(noun, support, regulation, action) |
| keystone(noun, support, regulation, action) |
| model(noun, regulation, order, test) |
| order(noun, regulation, rule, test) |
| origin(noun, regulation, rule, standard) |
| precedent(noun, regulation, order, test) |
| prescription(noun, regulation, order, test) |