Click the "OK" button to insert a very basic process flow diagram with one top box and three branch boxes. Click the purple "Organizational Chart Tools" tab at the top of the new screen.

Flow charts may include different levels of detail as needed, from a high-level overview of an entire system to a detailed diagram of one component process within a larger system.

A free version of ClickCharts Diagram & Flowchart Software is available for non-commercial use. If you are using ClickCharts at home, you can download the free version here.

IDG / OWASP (CC BY-SA 4.0) Figure 1. Data flow diagram for an online banking application (from Wei Zhang & Marco Morana, distributed under the OWASP license) ...