1) The world's tallest waterfall is Angel Falls in Venezuela, with a height of about 3,212 feet (979 meters).

2) The United Nations (UN) is an international organization founded in 1945 with the goal of promoting peace, security, and cooperation among nations through diplomatic and political means.

3) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.

4) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.