---
title: Knowledge Tree Graph
order: 2
---

## Knowledge Tree Graph

### Definition

Tree Graph is popular graph visualization method to represent hierarchical realtional data. Because of its efficient space utilization and good interactivity when presenting data, it has received a lot of attention and in-depth research, and has been widely used in science, sociology, engineering, business and other fields. Tree diagrams can decompose things or phenomena into branches, also known as tree diagrams or system diagrams. The tree diagram is to systematically expand the purpose to be achieved and the measures or means that need to be taken, and draw it into a diagram to clarify the focus of the problem and find the best means or measures.

### When to Usage

- When the subject is known and given in general, it needs to be transformed into specific details;
- When seeking reasonable steps to achieve a goal;
- When planning to implement specific actions of a plan or other plan;
- When performing a detailed analysis of the process;
- When exploring the root cause of the problem;
- When evaluating several possible solutions to the problem;
- When the affinity diagram or correlation diagram cannot reveal key issues;
- When used as a communication tool to explain specific details to others.
