Qi translates as "air" and figuratively as "material energy," "life force," or "energy flow." Qi is the central underlying principle in Chinese traditional medicine and in Chinese martial arts.
The symbol that Po creates with his Dragon Master chi is the sign of Yin and Yang - a phrase which translates to "dark-bright", "negative-positive" and describes how seemingly opposite forces may actually be interconnected and interdependent on each other.
The character of Jindiao is loosely based on a legendary kung fu master named Bak Mei, who has appeared as a character in many classic kung fu films including "Fist of the White Lotus" and "Abbot of Shaolin."
Pious Chan is a furry Chinese mountain goat called a "Tahr."
Relaxation in order to achieve mental clarity is a key concept of Kung Fu.