This example demonstrates how to create separate legends for ordinal color scales and quantitative size scales in D3 v5. The color legend uses a `scaleOrdinal` with fruit names mapped to distinct colors, while the size legend uses `scaleSqrt` to map numeric values to circle radii. Both legends are rendered as SVG groups using custom reusable functions that bind data to enter/merge/exit selections, positioning circles and text labels with transform attributes and spacing offsets.