libatk1.0-udeb - 2.54.0-1 main

This is a udeb, or a microdeb, for the Debian installer.
.
ATK is a toolkit providing accessibility interfaces for applications or
other toolkits. By implementing these interfaces, those other toolkits or
applications can be used with tools such as screen readers, magnifiers, and
other alternative input devices.
.
This is a stripped down version of the runtime part of ATK.