what is the difference between Auth::routes() and Route::auth() in laravel

I have start working on laravel 5.4 , i have found that there is Auth::routes() which is called default in web route. I want to more clear with the difference between Auth::routes() and Route::auth().

from Newest questions tagged laravel-5 - Stack Overflow http://ift.tt/2fsiWFI
via IFTTT