So you have an understanding on some advanced topics like deeply nested arrays and variable modifiers, which give you the ultimate power over template designing. If you use your imagination properly and utilize these modifiers, Smarty will prove to be the ultimate tool for you. Also in real life you will get very complex array structures, but manipulating them will depend on practice. All you have to do is maintain proper communication with the programmers who supply the data. In the next chapters you will get a clear idea about Smarty functions. Happy Smartying!