common_msgs contains messages that are widely used by other ROS packages. These includes messages for actions (<a href="http://wiki.ros.org/actionlib_msgs">actionlib_msgs</a>), diagnostics (<a href="http://wiki.ros.org/diagnostic_msgs">diagnostic_msgs</a>), geometric primitives (<a href="http://wiki.ros.org/geometry_msgs">geometry_msgs</a>), robot navigation (<a href="http://wiki.ros.org/nav_msgs">nav_msgs</a>), and common sensors (<a href="http://wiki.ros.org/sensor_msgs">sensor_msgs</a>), such as laser range finders, cameras, point clouds.
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