An "org chart" is specifically a chart showing a tree of who manages whom, isn't...

derefr on Dec 4, 2014 | parent | context | favorite | on: Steve Wozniak remembers the early days [video]

An "org chart" is specifically a chart showing a tree of who manages whom, isn't it? Everyone except managers, no matter how skilled, are leaf nodes ("on the bottom") on such a chart.