Which File To Config Url Links?

which file is config to those url links?

http://www.yiiframework.com/doc-2.0/guide-apps-advanced.html

Creating links from backend to frontend

return [

'components' => [


    'urlManager' => [


        // here is your normal backend url manager config


    ],


    'urlManagerFrontend' => [


        // here is your frontend URL manager config


    ],





],

];

backend/config/main.php