Question: What is meant by mapping a dataset in the Data Engineering context, with specific reference to Spark DataFrames? Being able to relate real - world

What is meant by mapping a dataset in the Data Engineering context, with specific reference to Spark DataFrames?
Being able to relate real-world values and quantities back to fields within the dataset.
Applying a function to each element in a list or collection.
Determining the geographical location of data points in the dataset.
Assigning object relationships to other objects.

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