Learning D3.JS 5.0 8.6: Adding Visual Information

The video tutorial covers enhancing line charts by adding visual indicators for numbers greater than 50, making them more readable. It then transitions to creating an area chart, explaining the process and modifications needed. The tutorial concludes with a summary and introduces the next topic, collapsible tree diagrams.

How does the color representation of numbers greater than 50 enhance the readability of the chart?

What is the significance of the collapsible tree diagram mentioned at the end of the text?