: When Norland is mentioned, a "Journal" icon appears. Clicking it shows a brief, spoiler-free summary of his legend as it's known in the North Blue vs. the reality the Straw Hats are discovering.

: A small, non-intrusive compass in the corner that, when clicked, shows where Jaya is located in relation to the Grand Line and the knock-up stream's predicted path.

This interactive feature would allow viewers to dive deeper into the world-building without leaving the episode:

Since your file is (the Italian dub), a great feature for a video player or hosting platform would be a "Logue-to-Lore" Context Toggle .