Introduction

In the Orthogramic, cross domain relationships are directional, typically flowing from active domains—such as Strategy, Capability, Initiative, Policy, and Stakeholder—to passive domains like Information, Performance, Product, and Service. This directionality ensures semantic clarity and consistency in modeling, visualization, and reasoning.

This page outlines the principles and best practices for modeling these directional relationships, helping you maintain structural integrity and enhance the interpretability of your business architecture.

Passive domains

Passive and Active domain concepts

The following Orthogramic domains are considered passive:

Domain

Typical Role in Relationships

Information

Referenced by, used by, governed by

Performance

Measured by, contributed to, indicator of

Product

Delivered by, enabled by, rarely strategic

Service

Implements, delivers, used in context

These domains typically do not initiate relationships. For example:

Directionality of cross domain relationships

Passive domains must not initiate cross domain relationships
Applies to: Cross domain relationship definition and visualisation

Definition:
Cross domain relationships must be modelled with active domains as the source and passive domains as the target. Passive domains must not initiate outbound relationships.

Passive domains include:

Correct examples:

Incorrect examples:

Implementation guidance:

Reasoning:
This ensures semantic clarity, avoids visual clutter, and supports reasoning engines that depend on clear relationship directionality.