the period of darkness in each twenty-four hours; the time from sunset to sunrise

a dark or obscure period in time

अंधेरा या अस्पष्ट समय

English Usage: That night of the storm was particularly frightening.

Hindi Usage: उस तूफानी रात को विशेष रूप से डरावना था।

a written message addressed to a person or organization

a symbol or character in an alphabet

वर्ण या प्रतीक

English Usage: The letter 'A' is the first in the alphabet.

Hindi Usage: अक्षर 'A' वर्णमाला में पहला है।