Use the Insert menu to insert items onto existing nodes. The Insert menu contains the following options:
Inserts a new node to the right of the highlighted node. For example, Figure 12.6 inserts Child 1.5 before Child 2.
Figure 12.6 Insert Before
Inserts a new node to the left of the highlighted node. For example, Figure 12.7 inserts Child 3 after Child 2.
Figure 12.7 Insert After
Inserts a new node at a level above the current node. For example, Figure 12.8 inserts Grandparent at a level above Parent.
Figure 12.8 Insert Above
Inserts a new node at a level below the current node. For example, Figure 12.9 inserts Grandchild at a level below Child 2.
Figure 12.9 Insert Below
Figure 12.10 Force Options