App title or page title in the title bar of an app?

1. What is a page title bar?
2. What is the title bar of an app window?
3. What will be displayed in the title bar of the browser?

What is a page title bar?

The Page Title Bar is a highly customizable horizontal bar that sits directly below the header and contains a range of information, from the page title, as well as breadcrumbs, or a search bar. It can also have a background color or image and be of variable height.

What is the title bar of an app window?

The title bar sits at the top of an app on the base layer. Its main purpose is to allow users to be able to identify the app via its title, move the app window, and minimize, maximize, or close the app.

What will be displayed in the title bar of the browser?

The browser's title bar displays the text in the title tag at the top of the browser window. The Web address (URL) uses keywords which are also used in the title bar and page title.