Lexical Conventions

Essentials
Lexical conventions are the names or identifiers of variables. Here are some facts you must know about them.


 * They can only be comprised of alphanumerics (0-9, a-z, A-Z), with the exception of the _.
 * They cannot be Lua keywords.
 * They are case sensitive.
 * They mustn't start with a digit.

Camel Case
Camel casing is a popular convention when it comes to variable identifiers.