Board Thread:Naruto Discussions/@comment-36950799-20180918174601/@comment-33485854-20181025213003

Elveonora wrote: Isn't it obvious? Since a fireball can be absorbed by a chakra absorption technique, that means the fireball is still chakra, just with fire-like properties, but not actual fire.

Chakra transformed into fire is still the element fire. I believe the name "Nature Transformation" should be taken literally. Igniting Chakra creates Fire, Thinning it creates Wind, Ionizing it creates Lightning ect. They're elements comprised of Chakra but are said elements.