1) Cub Scouts are divided into Dens based on age - Tiger Cubs, Wolf Scouts, Bear Scouts, and Webelos. Each Den has around 6-8 boys of similar ages.
2) Boys progress through earning badges appropriate to their Den, starting with Bobcat and working towards their Den rank badge. They also complete electives and activities.
3) The Pack is made up of all the Dens and is led by a Cubmaster. It is part of a District within the local Council.