What is life?
Life is everything that surrounds a body that possess a spirit and ideally a intelligent being.
But not only that, life is every bit of energy, in all animate or non animate objects, and goes beyond our body or even death.
What is the body?
The body is the vessel for the spirit. But not only that, because the material body
just by it self it is nothing, but merging with a spirit and if you evolve enough it
can reach perfection. Accordantly with modern science is just DNA, in my perspective
the the material body seams to be a state of evolution.
What is the spirit?
The Spirit is the lifetime energy that lives in the body up to a certain point, after
undergoes transformations and can find another body to improve himself. If it hit
a degree of evolution no longer need the material body.
The spirit is also what distinguishes each of each (a body can not have two spirits
but a spirit can have various materials bodies), although the subject may or
not remember his previous body (but that's another tale).