A feature that shows the translation or simply highlights unknown words.
When we are following the subtitles and only see words in green, we can understand; but when we see a word in orange or purple, we don’t know its meaning, and in these cases, it is more convenient to see the translation of those words just below the unknown words. This way, we don’t need to pause the video to review the meaning of that word, so we can memorize it and continue watching, maintaining the flow and following the context.