Bar charts are the most flexible chart type you'll ever use. Here's exactly when they work and when to reach for something else.

---

The line chart is the go-to chart for showing how something changes over time. Here's exactly when it works, when it doesn't, and the mistakes that make them hard to read.

---

Pie charts have one job - showing how parts make up a whole. They do it well when used correctly, and badly when they're not. Here's exactly when to reach for one and when to use something else.

---

Scatter plots answer the question no other chart can - is there a relationship between these two things? Here's when to use one, what the patterns actually mean, and the mistakes that make them misleading.

---

An area chart is a line chart with the space below filled in. That one difference changes everything about when it works and when it doesn't. Here's the full breakdown.