* The teacher ended the lesson with a firm "Period." (Used to emphasize finality)
* The Victorian era was a fascinating period in history. (Refers to a specific time)
* My period is late this month, which is unusual for me. (Refers to a woman's menstrual cycle)
* The doctor prescribed antibiotics for a period of two weeks. (Refers to a duration of time)
* The sentence needs a period at the end. (Refers to punctuation)