Look at the chart above. From a cursory view, it tells the sales trend of a product for a certain year. We can notice that the sales go up and down at various months throughout the year. If I were a member of the management team, I would make the interpretation that the sale of this particular product is somewhat stable for that year. However, I would not be able to tell whether how good the product’s sales numbers are in relation to its monthly (or yearly) sales targets, or how I am faring compared to my competitors for similar products. This is where using context can help enhance the quality of your data presentation to your audience.