The view is responsible for rendering the output correlated to a particular action. In symfony, the view consists of several parts, with each part designed to be easily modified by the person who usually works with it.
Web designers generally work on the templates (the presentation of the current action data) and on the layout (containing the code common to all pages). These are written in HTML with small embedded chunks of PHP, which are mostly calls to helpers.
For reusability, developers usually package template code fragments into partials or components. They use slots and component slots to affect more than one zone of the layout. Web designers can work on these template fragments as well.
Developers focus on ...