The Art Libre Set aims at fulfilling the dire need of a regular graphic application in the Tango desktop project. The creators have aimed this important icon set at vector editors, bitmap editors and non-linear video editing applications. The set is distributed as per the terms of GPL. The major structure of this icon set is divided into different categories. We’ll go over each one of these categories and list out some of the important icons contained in each one of them as follows:

Actions
Icon’s name and description
align-top-vertical is used for alignment of objects to the top edge
align-bottom-vertical is used for alignment of objects to the bottom edge
align-horizontal-center is used for centering on the horizontal axis
align-vertical-center is used for centering on the vertical axis
and more………

Devices
Icon’s name and description
input-scanner is used for an image scanner (table version)
input-tablet is used for graphic tablet

Tools
Icon’s name and description
color-picker is used for picking up a color
draw-brush is used for drawing the brush lines (as seen in Paintbrush tool)
color-gradient is used for creation of gradient from one type of color to another
clip-splitter is used for splitting the video clips into two parts
select-ellipse is used for selection of an elliptical area
select-rectangular is used for selection of rectangular area
and more…..

Transformations
Icon’s name and description
scale-image is used for resizing of the current image
canvas-size is used for opening a dialog in order to change the size of canvas
layer-to-image-size is used for shrinking the layer to the size of the image
transform-move is used for moving the current object
and more……

Status
Icon’s name and description
mode-indexed is used for showing that the image has an indexed color palette
layer-visible is used for showing that the layer is currently visible
mode-bw is used for showing that the image is black and white
mode-rgb is used for showing that the image is in RGB color mode
and more……

Toggles
Icon’s name and description
format-text-outline is used for outline text
format-text-all-caps is used for toggling all caps
format-text-superscript is used for making the current text selection a superscript
format-text-subscript is used for making the current text selection a subscript
and more…..

Hints
These are tiny indicators which get displayed over the objects, in order to update the user about the result of the ongoing operation.
Icon’s name and description
hint-move-left: By using this the hinted object is moved to the left
hint-insert-before: By using this the held object gets inserted before another object
and more……