This view shows the focus person's descendants to two generations; that is, down to their grandchildren. The lines and boxes in red indicate a person's spouse, and the couple's children are linked from there. This helps to make it clear when a person has multiple spouses, associating the children with the proper spouse. A grayed-out box indicates an unknown or unspecified spouse.
As with similar views, tapping on any person's entry make them the focus and redraws the tree. The "+" symbol next to a person's name indicates that they have descendants in this database.