Exploring Comparison across Measures
Bullet charts are a type of bar chart that allow you to add target/goal comparisons to your charts/views. As much as bar charts are useful, more often than not when you are presenting data using bar charts, you will hear questions such as "How does this compare to this KPI/metric?" and "So, what should we do with this data?" because bar charts fail to add the additional context that stakeholders are looking for. This is where bullet charts shine as they add the required comparisons to goals/targets/thresholds. Think of bullet charts as bar charts with historical context or a baseline for comparison.
Say you are working on a project for which you are presenting sales figures for your SaaS products as bar charts. The first question you receive from your stakeholders might be "How does this compare to our previous quarter's/year's results? Did we do well or underperform?" If you had shown the same data...