0 used to represent the second of two numbers or names that are not known or stated, when the first is represented by "x": --
The children on trial were referred to as child X and child Y.
If 2x = 3y and x = 6, then y = 4.
1 added to nouns to form adjectives meaning like the stated thing: --
cheesy
2 the 25th letter of the English alphabet --
NOVÉ SLOVÁ
European
May 10, 2021
SLOVO DŇA
Shimmer
y