Measures of Time:
1. Jiffy: a very short time; a moment.
E. g. "We'll be back in a jiffy"
2. Split second: a very brief moment of time.
E. g. "For a split second, I hesitated"
3. A bit: a short time
E. g. "I'll sleep for a bit. "
4. A while: a period of time.
E. g. "We chatted for a while"
5. Eons: an indefinite and very long period of time.
E. g. "He reached the crag aeons before I arrived"
6. Ages: a very long time.
E. g. "I haven't seen her for ages"
7. A moment: a very brief period of time.
E. g. "She was silent for a moment before replying"
8. An instant: a precise moment of time.
E. g. "Come here this instant!"
9. Eternity: infinite or unending time.
E. g. "Their love was sealed for eternity"