$hash{'mgr'}{
            'mid-mgmt' => {
                          coderA => {},
                          coderB => {
                                    'regexp monkey' => {},
                                    },
                          },
           };

## for quick ref :
# /mgr
# /mgr/mid-mgmt
# /mgr/mid-mgmt/coderA
# /mgr/mid-mgmt/coderB
# /mgr/mid-mgmt/coderB/regexp monkey

##</code><code>##

## all of the object stuff is gone, this is alg only
# $height_of_a_box = font_height + all padding
$height = ($height_of_a_box * ($high_keys*$high_depth));

##</code><code>##

+-------+
| mgmt  |
+-------+
    |    +----------+
    +----| mid-mgmt |
         +----------+
                |    +--------+
                |----| coderA |
                |    +--------+
                |    +--------+
                +----| coderB |
                     +--------+
                           |   +--------+
                           +---| monkey |
                               +--------+