Full Stop / Period
What is Full Stop?
Full stop is one of the punctuation marks that is dot-shaped. It is also called Period in American English.
Uses of Full Stop
1. A full stop is used at the end of a statement. 
- There are fully funded scholarships for foreign students.
 - It is the duty of the police to stop crimes.
 - He does not like to work with us.
 
2. If there is an abbreviation at the end of a sentence that
ends in a period, don’t put another period. 
- This is John, M.D.
 - We reached there at 5 p.m.
 
3. We use a full stop at the end of a command sentence.
- Let the cat out of the room.
 - Pay full attention to your teacher and what he says.
 
4. A full stop is used at the end of a sentence that is intended to
instruct. 
- Respect your teacher.
 - Turn off all lights before you leave the room.
 - Check your all bags when you leave the bus.
 
5. Most commonly in American English, a full stop is used
after a title. 
- Mr. John played key roles in solving different matters.
 - Dr. Jame became famous due to his specialities in heart surgery.
 
6. We use a full stop as a decimal point. 
- He got 55.5 percent marks in the Exam.
 - He spent 1.3 million dollars in his marriage.
 
7. We also use full stops with abbreviations.
- 6 p.m.
 - Washington, D.C.
 
8. If an abbreviation is pronounced as a word, then we don’t
need to use a full stop. If that is pronounced individually, you may or may not
use full stops between letters.  
- NATO, RADAR
 - U.N.I.C.E.F.
 
9. A sentence that contains an indirect question is followed by a full stop instead of a question mark. 
- He asked if they had left.
 - The teacher asked absent students why they were absent.