A brief period of time is a short span of time that can range from a few seconds to a few minutes. The term 'brief period of time' can be broken down into six words: MOMENT (6 letters), MO (2 letters), TRICE (5 letters), Een (3 letters), Eyewink (7 letters), and Shortrun (8 letters). MOMENT refers to a very short period of time, usually a few seconds. MO is an informal term for a MOMENT. TRICE is an old-fashioned word for a brief period of time. Een is a Dutch word meaning one. Eyewink is an expression used to describe a very short period of time, usually a fraction of a second. Shortrun is another term for a brief period of time, usually lasting a few minutes.