What term describes actions that are common and typical?

The term "quotidian" refers to something that is commonplace, daily, or typical. It conveys the idea of actions or events that are ordinary and part of the everyday routine. By using "quotidian," one emphasizes the regularity and familiarity of these happenings, highlighting that they are not unusual or special but rather a standard part of life.

In contrast, the other terms present distinct meanings. "Unique" denotes something that is one of a kind, not shared with others, which directly opposes the notion of being common. "Infrequent" describes occurrences that happen rarely or not often, further diverging from the idea of typical actions. "Exceptional" signifies something remarkable or out of the ordinary, reinforcing the idea of rarity or distinction, which again does not align with the concept of actions that are common and typical. Thus, "quotidian" is the most appropriate term for actions that are regular and ordinary.