Character ↔ Symbol (letters, numbers & punctuation)

aka Char, Chars

Emoji

pictogram, occupy 2 chars. Now part of Unicode

References

1. string ↔ Primitive Value rep an ordered sequence of Character

2. regex ↔ Syntax to express search pattern to match Character. XLang support

3. Unicode ↔ (standard) most popular Character Set with most language Chars