What does ruby name refer to? - Ruby on Rails

What does ruby name refers to?

-Ruby names refer to the classes, variables, methods, constants and modules that help in the creation of the program.

-These are the names that distinguish other names with the specified ruby names that are being mentioned above.

-Ruby names are useful and used to be written as it is shown. They are useful in the context of writing the programs and while generating the module.

-Ruby names refer to the classes that has to be built and through which the objects will be declared, and methods that will perform on the data that is given.

-The names are reserved such that they can’t be used anywhere else and for any other purpose. The name that is used can be in lower or upper case, letter, number or an underscore.