Understanding mindboggle tables

Hi again, Arno,

thank you again for the continued support of your great tool. I was hoping to better understand two of the table outputs from mindboggle, namely, label_shapes and sulcus_shapes. Is it correct that the measures are non-overlapping? For instance, if I wanted to estimate total area, could I sum the areas from all the brain regions in label_shapes and all the sulci in sulcus_shapes?

Many thanks!