@yii- framework directory.@app- base path of currently running application.@common- common directory.@frontend- frontend web application directory.@backend- backend web application directory.@console- console directory.@runtime- runtime directory of currently running web application.@vendor- Composer vendor directory.@bower- vendor directory that contains the bower packages.@npm- vendor directory that contains npm packages.@web- base URL of currently running web application.@webroot- web root directory of currently running web application.
The aliases specific to the directory structure of the advanced application
(@common, @frontend, @backend, and @console) are defined in common/config/bootstrap.php.