| aggr_matrix | _coord | |
| areas | _coord | |
| before_pmem | _coord | |
| canvas | _coord | |
| cur_area | _coord | |
| flags | _coord | |
| last_area | _coord | |
| matrix | _coord | |
| mouse_event | _coord | |
| num_members | _coord | |
| opacity | _coord | |
| order | _coord | |
| parent | _coord | |
| sibling | _coord | |
| STAILQ(struct _coord) children | _coord | |
| STAILQ(geo_t) members | _coord |