A:

1. closed loop: keeps secrets to himself until and unless not asked for his opinion, but when asked his opinion will be open, blunt, and may hurt any one.
2. open loop: blunt and frank but opinion is given by  him even if not asked for.
3. keeps secrets to himself , though speaks about the topic but without revealing out full truth.
4. keeps secrets to himself
5. friendly circle is small and trust only few people.
6. open at down: behaves hypocritically, that is showy.
7. prevaricate in his or her opinion, that is beat around the bush without revealing truth
8. harbours anger and resentment as sharp long strokes at beginning of letter.
9. shows originality that is unique new and exciting character
10. joined alphabet in words : logical and full of energy.