Complete toolkit for PyArrow 24.0.0 providing columnar in-memory data structures, vectorized compute functions, Parquet/CSV/ORC/JSON file I/O, Pandas and NumPy zero-copy integration, IPC serialization, tabular datasets, and Arrow Flight RPC. Use when building Python data pipelines, converting between Pandas/NumPy/Arrow formats, reading or writing Parquet files, performing vectorized array computations, serializing data via IPC, or working with partitioned datasets.