Can I get a "backspace" key on my keyboard?

[Roswick]

I am frustrated by my inability of back up one space. Is a "Backup" key available on the keyboard?

[DickWheawill]

Which keyboard do you use?

[usermzeJaY3BsM]

Right above Enter, on the default keyboard, is a backspace key, it is a rounded pointer with an X in it.