It is a logo of a heat map. there is a 90 degree right angle located at the bottom left and inside the right angle are various sizes of circles. Some circles small some big. The bigger the circles are it is indicating the higher in temperature the heat is.
This Heat Map icon is a responsive icon. This means that it's optimized for four resolutions, from tiny 16x16 until highly detailed 80x80. The style comes from the latest Microsoft Office
, which makes it perfect for any Windows applications, in particular, those with ribbon toolbar control. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 16,000 icons, all in the same style and quality.