The concept of a dataframe comes from the world of statistical software used in empirical research; usually refers to "tabular" data: a data structure representing cases (rows), each consisting of a number of observations or measurements (columns).

Alternatively, each row can be treated as a single observation of multiple "variables". In any case, each row and each column has the same type of data, but the type of row data ("record") may be heterogeneous (a tuple of different types), while the type of column data must be homogeneous. Data frames usually contain some metadata in addition to the data; for example, column and row names.

It exists in several programming languages.

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What is a Data Frame? ( What is a Dataframe )

Data Frames

Example of a Dataframe