A bubble chart is a type of scatter plot in which data points are represented as bubbles. Each bubble typically has three dimensions: the horizontal position (X-axis), the vertical position (Y-axis), and the size of the bubble (diameter or area). The third dimension (size) is used to represent a quantitative value associated with each data point.
Read this section to learn about how to create a bubble here
Read this section to learn about how to use quick styling toolbar
Read this section to learn about styling chart with many advanced options here