This video tutorial covers the creation and customization of combo charts, which combine different chart types to present mixed data. It explains four types of combo charts: cluster column line, clustered column line on secondary axis, stacked area clustered column, and custom combination charts. The tutorial provides practical steps for creating these charts using data selection and chart design tools, encouraging viewers to practice and ask questions for better understanding.

Explain how the stacked area clustered column chart is presented.

What does the term 'custom combination' refer to in the context of combo charts?