threelaws.qmd

---
title: "Three laws"
description: "This short video introduces three laws of effective visual communication: have a clear **purpose**, show the data **clearly**, and make the **message** obvious."
page-layout: full
title-block-banner: true
---

<iframe width="560" height="315" src="https://www.youtube.com/embed/pfxulpF9XOw" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

The three laws of effective visual communication correspond to the three main ingredients of any quantitative work: purpose, data, and message. Getting these right leads to success; failing in any of them leads to overall failure. Watch the video or read our [tutorial](tutorial.html) or [online post](https://graphicsprinciples.github.io/gallery/posts/2019/2019-09-09-three-laws-vizcom/) to learn more.