Formerly known as "Live Trace," Image Trace was redesigned in CS6 to provide cleaner lines, better handling of colors, and a more intuitive interface for converting raster images (JPEGs, PNGs) into vector paths.
In web browsing, an "Index of" page is a server-generated list of files. Searching for this specific term is frequently associated with users looking for legacy installers or documentation hosted on public servers. Index Of Adobe Illustrator Cs6