appointment-missed	 The icon used when an appointment was missed.
appointment-soon	 The icon used when an appointment will occur soon.
audio-volume-high	 The icon used to indicate high audio volume.
audio-volume-low	 The icon used to indicate low audio volume.
audio-volume-medium	 The icon used to indicate medium audio volume.
audio-volume-muted	 The icon used to indicate the muted state for audio playback.
battery-caution	 The icon used when the battery is below 40%.
battery-low	 The icon used when the battery is below 20%.
dialog-error	 The icon used when a dialog is opened to explain an error condition to the user.
dialog-information	 The icon used when a dialog is opened to give information to the user that may be pertinent to the requested action.
dialog-password	 The icon used when a dialog requesting the authentication credentials for a user is opened.
dialog-question	 The icon used when a dialog is opened to ask a simple question of the user.
dialog-warning	 The icon used when a dialog is opened to warn the user of impending issues with the requested action.
folder-drag-accept	 The icon used for a folder while an object is being dragged onto it, that is of a type that the directory can contain.
folder-open	 The icon used for folders, while their contents are being displayed within the same window. This icon would normally be shown in a tree or list view, next to the main view of a folder's contents.
folder-visiting	 The icon used for folders, while their contents are being displayed in another window. This icon would typically be used when using multiple windows to navigate the hierarchy, such as in Nautilus's spatial mode.
image-loading	 The icon used when another image is being loaded, such as thumnails for larger images in the file manager.
image-missing	 The icon used when another image could not be loaded.
mail-attachment	 The icon used for an electronic mail that contains attachments.
mail-unread	 The icon used for an electronic mail that is unread.
mail-read	 The icon used for an electronic mail that is read.
mail-replied	 The icon used for an electronic mail that has been replied to.
mail-signed	 The icon used for an electronic mail that contains a signature.
mail-signed-verified	 The icon used for an electronic mail that contains a signature which has also been verified by the security system.
media-playlist-repeat	 The icon for the repeat mode of a media player.
media-playlist-shuffle	 The icon for the shuffle mode of a media player.
network-error	 The icon used when an error occurs trying to intialize the network connection of the computing device. This icon should be two computers, one in the background, with the screens of both computers, colored black, and with the theme's style element for errors, overlayed on top of the icon.
network-idle	 The icon used when no data is being transmitted or received, while the computing device is connected to a network. This icon should be two computers, one in the background, with the screens of both computers, colored black.
network-offline	 The icon used when the computing device is disconnected from the network. This icon should be a computer in the background, with a screen colored black, and the theme's icon element to show that a device is not accessible, in the foreground.
network-receive	 The icon used when data is being received, while the computing device is connected to a network. This icon should be two computers, one in the background, with its screen colored green, and the screen of the computer in the foreground, colored black.
network-transmit	 The icon used when data is being transmitted, while the computing device is connected to a network. This icon should be two computers, one in the background, with its screen colored black, and the screen of the computer in the foreground, colored green.
network-transmit-receive	 The icon used data is being both transmitted and received simultaneously, while the computing device is connected to a network. This icon should be two computers, one in the background, with the screens of both computers, colored green.
printer-error	 The icon used when an error occurs while attempting to print. This icon should be the theme's printer device icon, with the theme's style element for errors, overlayed on top of the icon.
printer-printing	 The icon used while a print job is successfully being spooled to a printing device. This icon should be the theme's printer device icon, with a document emerging from the printing device.
security-high	 The icon used to indicate that the security level of a connection is known to be secure, using strong encryption and a valid certificate.
security-medium	 The icon used to indicate that the security level of a connection is presumed to be secure, using strong encryption, and a certificate that could not be automatically verified, but which the user has chosen to trust.
security-low	 The icon used to indicate that the security level of a connection is presumed to be insecure, either by using weak encryption, or by using a certificate that the could not be automatically verified, and which the user has not chosent to trust.
software-update-available	 The icon used when an update is available for software installed on the computing device, through the system software update program.
software-update-urgent	 The icon used when an urgent update is available through the system software update program.
sync-error	 The icon used when an error occurs while attempting to synchronize data from the computing device, to another device.
sync-synchronizing	 The icon used while data is successfully synchronizing to another device.
task-due	 The icon used when a task is due soon.
task-past-due	 The icon used when a task that was due, has been left incomplete.
user-available	 The icon used when a user on a chat network is available to initiate a conversation with.
user-away	 The icon used when a user on a chat network is away from their keyboard and the chat program.
user-idle	 The icon used when a user on a chat network has not been an active participant in any chats on the network, for an extended period of time.
user-offline	 The icon used when a user on a chat network is not available.
user-trash-full	 The icon for the user's “Trash” in the desktop's file manager, when there are items in the “Trash” waiting for disposal or recovery.
weather-clear	 The icon used while the weather for a region is “clear skies”.
weather-clear-night	 The icon used while the weather for a region is “clear skies” during the night.
weather-few-clouds	 The icon used while the weather for a region is “partly cloudy”.
weather-few-clouds-night	 The icon used while the weather for a region is “partly cloudy” during the night.
weather-fog	 The icon used while the weather for a region is “foggy”.
weather-overcast	 The icon used while the weather for a region is “overcast”.
weather-severe-alert	 The icon used while a sever weather alert is in effect for a region.
weather-showers	 The icon used while rain showers are occurring in a region.
weather-showers-scattered	 The icon used while scattered rain showers are occurring in a region.
weather-snow	 The icon used while snow showers are occurring in a region.
weather-storm	 The icon used while storms are occurring in a region.