Question

But she was not wearing black or any other signs of morning...
(a) Why is black considered to be a sign of mourning?
(b) Why do you think some people wear white also for the same reason?
(c) Should colour be given more importance or heartfelt feelings?
Ch-The Case of the Sharp-Eyed Jeweller.

Answer 1

(a) because it is the symbol of darkness
(b) because it is the symbol of mourning and peace
his condolence show peace only
(c) heartfelt feeling, it will work genuinely

Answer 2

Mourning is the act of grieving over somebody's death. a) Black is considered to be a sign of mourning in many cultures as it is a deep and dark color that signifies death and loss. ... This is because white is the color of purity which signifies the soul's liberation from the body and unification with God.