generate questions: Web browsers consist of a user interface, layout engine, rendering engine, JavaScript interpreter, UI backend, networking component and data persistence component. These components achieve different functionalities of a web browser and together provide all capabilities of a web browser.
A user interface, UI backend, layout engine and other things are part of what? {sep_token} The layout engine, rendering engine, user interface and other things are components that offer different what of web browsers? {sep_token}