also: タスクトレー · タスク・トレイ · タスク・トレー
noun
system tray; notification area
Computing term for the area on the Windows taskbar that shows clock, volume, network, and background app icons. Wasei-eigo from 'task tray'.
wasei-eigo (Japanese-coined English), from task tray
See also: 通知領域
If the icon doesn't appear in the system tray, please check the settings.
アプリを閉じてもタスクトレイに常駐する。
Even after closing the app, it stays resident in the system tray.