used before a specific period of time to show when or at what time something happens or how long it takes for it to happen

used to indicate being in or surrounded by a particular condition or state

used to indicate a standard or basis for evaluation or judgment

used to indicate being a part of included in a particular group, category, or set

used to indicate the field, industry, or area in which the person is employed or works

used to indicate the language or means of communication

used to indicate the context or sphere within which the action is taking place

used to indicate the rate or percentage of one quantity to another

used to show what something is made of or composed of

used to indicate the time or period during which something happens

directed or moving inward

holding office