| direction(noun, medicine, law, regulation, order) |
| maxim(noun, law, regulation, order, plan) |
| modus operandi(noun, expression, style, plan, rule) |
| normal |
| plan(noun, form, rule, design, arrangement) |
| routine(noun, form, activity, move, control) |
| creed(noun, rule, recipe, established mode of speech) |
| description(noun, rule, recipe, exact method) |
| equation(noun, rule, recipe) |
| factor(noun, mathematics) |
| formality(noun, style, system, arrangement, procedure) |
| index(noun, indication, mathematics) |
| means(noun, form, process, procedure, way) |
| measure(noun, form, move, process, way) |
| practice(noun, form, control, style, treatment) |
| regulation(noun, medicine, law, control, treatment) |
| spell(magic, prayer, enchantment, chant) |
| technique(noun, form, act, style, plan) |
| axiom(noun, law, regulation, order, rule) |
| credo(noun, rule, recipe, established mode of speech) |