From-To in Two Directions, Generating Structure and Process
The source-root is the beginning of time and space for the organization
Holon Link
Whole/part
“Vertical”
Reproduction
Membership
I-O Link
Input-Output
“Horizontal”
Work
Communications
Two general link directions stand for
two central systems principles:
(1) Holon Link: the universal pattern of holonarchy, conventionally represented as vertical structure (a top-down tree hierarchy); and
(2 I-O Link: the  input-output dynamic of systems, conventionally shown as a horizontal process flow along a time axis