Final answer:
The first row of an Excel table with unique descriptive titles is known as the Header row, serving to define the data in each column accurately.
Explanation:
The first row of an Excel table with unique descriptive titles or labels is called the Header row. This row typically contains labels that define the data in each column of the table.
Excel recognizes this row as the header row, distinguishing it from the rest of the data for sorting and other operations.
Formatting the header row effectively is crucial to ensure accurate data organization and interpretation.
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