This animated chord diagram visualizes relationships between languages, showing connections and flows between them in a circular layout. Built with D3.js, it uses an interactive chord diagram to display pairwise language relationships, with ribbons and arcs representing connection strength. The animation enhances the readability of complex inter-language links. The visualization is rendered using D3.js, with data originally processed via the R package “chorddiag” and adapted for the web with HTML widgets. It is an open-source example (MIT license) created by antichaos and forked from justlebeau’s block, demonstrating how chord diagrams can communicate multidimensional relational data in an engaging, animated format.