what is route route in laravel code example

Example 1: laravel get route

Route::get('foo', function () {
    return 'Hello World';
});

Example 2: laraval routing

use App\Http\Controllers\UserController;
use App\Models\User;

// Route definition...
Route::get('/users/{user}', [UserController::class, 'show']);

// Controller method definition...
public function show(User $user)
{
    return view('user.profile', ['user' => $user]);
}