Business is like Tree

From this post:
A business is like a tree. The roots of a “business tree” symbolize the strategic focus and future direction the organization is designed to grow. The trunk stands for the entire body of knowledge a business possesses. Branches stand for each department within a business. Twigs represent outside suppliers. And leaves on each branch symbolize employees.
With proper nourishment, the “business tree” will achieve healthy growth by growing steadily, optimally, and profitably. With neglect, the “business tree” will never reach its potential and eventually die.
 
And here is the book that covers the idea in depth: