gnome-icon-theme-symbolic 3.12.0-1 (i386 binary) in ubuntu xenial

 This package contains a set of icons used by the GNOME desktop.
 The icons are used in the panel menu, and in nautilus and other
 applications, to represent the different applications, files,
 directories, and devices.
 .
 These stylised icons are symbolic variations on the standard
 theme (see http://www.freedesktop.org/wiki/SymbolicIcons).