The goal expressed in this definition states that data visualization is about .

Data visualization is used to represent data using graphics. It narrates the values of data graphically, creating a relationship between the inputted group of data and the images being viewed by observers.In big data technology, data visualization helps to show or interpret the large amount of data for both descriptive analysis and predictive analysis of the presented data. The communication of the data and image is made possible through the mapping of a graph marks and individual data sets or values.In the context of Data Visualization, facilitating understanding of what is needed to be portrayed is a key tool. It has three steps: perceiving (how is it shown?), interpreting (what does it mean?), and comprehending (what does it mean to me?). Understanding is not only the responsibility of the visualizer but also of the viewer.

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b. xor is the correct answer