Taskbar - Wikipedia
Systray: The systray, short for "system tray," is located on the right side of the Windows toolbar. It is the collection of small icons on the opposite side of the Start Menu. The volume control and the date & time are default items in the systray and many more can be added. Some common icons that get placed in the systray are virus-scan, GitHub - qdot/systray-rs: Allows rust applications to show systray-rs. systray-rs is a Rust library that makes it easy for applications to have minimal UI in a platform specific way. It wraps the platform specific calls required to show an icon in the system tray, as well as add menu entries. systray-rs is heavily influenced by the systray library for the Go Language. systray-rs currently supports WINDOWS DEFENDER IN SYSTEM TRAY - Microsoft Community May 04, 2018 systray.dll File Download & Fix For All Windows OS
In Windows 10, you have to right-click on the Taskbar, choose Properties, and then click the Customize button. From here, click “Select which icons appear on the taskbar”. Now you can switch an app
Information about the Windows notification area (systray) May 28, 2020 Windows 10 - System Tray - Tutorialspoint
Microsoft Windows The default settings for the taskbar in Microsoft Windows place it at the bottom of the screen and includes from left to right the Start menu button, Quick Launch bar, taskbar buttons, and notification area. The Quick Launch toolbar was added with the Windows Desktop Update and is not enabled by default in Windows XP.
Hide or Show Windows Security Notification Area Icon in Mar 31, 2019 UWP app with Systray extension – Insights into the Jun 24, 2017