Answer:
Unicode
Explanation:
Unicode is a character set for the consistent encoding of the most major living languages in the world.
It also covers scientific symbols. Unicode is created by a consortium which consists of Apple, Microsoft, IBM, HP and Digital in 1993. It has become a computing industry standard to encode text.
The most recent version of Unicode 12.1 contains 137994 characters that cover 150 modern and historic scripts and also emoji.