shortcut

noun:a quicker or more direct route than the usual one
- Taking the shortcut through the park saved me ten minutes on my walk home.
noun:an accelerated way of doing or achieving something
- There is no shortcut to learning a new language.It requires consistent practice.
noun:a key or combination of keys on a computer keyboard that provides quick access to a particular function
- I use the keyboard shortcut Ctrl+S to save my work frequently.