This article is adapted from an edition of our Off the Charts newsletter originally published in October 2021. Off the Charts is a weekly, subscriber-only guide to The Economist’s award-winning ...

Structure charts employ two main graphical elements: modules and arrows. The structure chart shapes that are modules typically appear as labeled rectangles, and the arrows denote relationships ...

It comes with built-in support for JavaScript, TypeScript, and Node.js and has a rich ecosystem of extensions for other programming languages (such as C++, C#, Java, Python, PHP, and Go), runtimes ...