[with related objects]
<when>, <hastext>, <hascolor>, <hasfont>, <hasindent> and <hasbackground>
<b> <haslabel> <label> The label will be used by the branch.
<b> <haslabel> <label>
<l> <haslabel> <label> The label will be used by the leaf.
<l> <haslabel> <label>
label compositions