1. What elements are involved in achieving an understanding of a visualization?

1. What factors are considered when obtaining context about the visualization?

1. Identify the categories for SQL commands.

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1. What factors are considered about the origin of the data for the visualization?

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3. Beyond the mechanics of a visualization, what other differences help give you additional opportunity to understand the visualization?

1. What factors are considered when determining the amount of work is needed for the visualization?