taskbar
They call it a Taskbar
edit
The top bar on the left hand corner contains the buttons. You can go forward and backward on webpages with them.
Window
Tabs, buttons, and groups
In the browser, your navigation bar contains the history buttons, favorites, address bar, and a few other options depending on what browser you use.
In Shiny, elements can be categorized into input elements (like text inputs, sliders), output elements (like plots, tables), layout elements (like sidebars, tabs), and action elements (like action buttons, submit buttons). Each group of elements serves a specific purpose in creating interactive web applications.
Toolbar
awt contains all the graphical features of java, including many different elements to create an acceptable and usable GUI for applications easily. such as buttons, sliders and text areas.
home
vergas
Many internet windows and programs will have different buttons to manage the open windows. Buttons may include a file, edit, refresh, bookmarks, and tools windows.