There are four types of global cultural codes:
1. Preliterate codes transmitted orally like myths and folktales using Ancient Greek myths as an example.
2. Written codes transmitted through books like the Bible, Quran, and Shakespeare influencing language and culture.
3. Screen codes transmitted visually through movies, TV, and videos using Bollywood films and shows like Game of Thrones as examples.
4. Digital codes transmitted online through social media, games, and e-learning changing how we communicate and access information globally.