1) There are two subcategories of culture - "little c" culture, which refers to everyday patterns and habits, and "big C" culture, which refers to institutions and historical figures. Intercultural learning is best achieved through understanding both, but especially "little c" culture.
2) In language learning, students should aim to appropriate, rather than adopt, the target culture in a way that promotes language proficiency and openness to other cultures.
3) The document discusses including culture in ESP (English for Specific Purposes) classes through a comparative-contrastive approach to help students understand cultural differences and relate other perspectives to their own.