Cephalocaudal and proximodistal tendencies is a principle of development which means?

Cephalocaudal and proximodistal tendencies is a principle of development which means?
(a) Simple to complex
(b) Complex to simple
(c) From centre to sides
(d) All of above

✅ Correct Answer: (d) All of above
Explanation: Development proceeds from head to toe (cephalocaudal), from centre to sides (proximodistal), and from simple to complex.