Bar charts should be converted into accessible tables. Briefly describe the chart and give a summary if one is immediately apparent. Provide the title and axis labels. It is not necessary to describe ...

A line graph shows how data changes over time. For example, how the volume of traffic changes over a day so you can see the busiest times. A bar chart is best for comparing groups of data.

The maximum stock level is the largest amount of stock a business can store on site. In the bar graph example, it is 500 items of stock. The minimum stock level is also known as buffer stock.