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Other labels
5. Notification Area / Status Tray
Xfce / xfce4-panel
Multiple plugins including Status Notifier and Status Tray
5. Workspace Switcher / Pager
Xfce / xfce4-panel
Plugin showing previews of workspaces, sometimes called Pager
5. Window Menu
Xfce / xfce4-panel
Panel plugin that opens a menu that shows window list per workspace
5. Directory Menu
Xfce / xfce4-panel
Panel plugin that opens a menu which shows a directory's folder structure
5. Action Buttons
Xfce / xfce4-panel
Plugin that show buttons for session management or them in a context menu
Prioritized