What do you understand by Fitrah in Islam?

Lets have a healthy discussion here. What is meant by Fitrah in Islam or when it is refered to in the ahadith or the Quran.

Re: What do you understand by Fitrah in Islam?

Narrated Aisha, The Rasulullah Sallallaahu alayhi Wasallam said:

“Ten things are part of the fitrah:

cutting the moustache,
letting the beard grow,
cleaning the teeth with a siwaak,
rinsing the nose with water,
cutting one’s nails,
washing between the finger-joints,
plucking the armpit hairs,
shaving the pubic hair and cleaning one’s private parts with water.”
Reported by Imaan Ahmad, Muslim. Sahih Al-Bukhari 9:651

"Every child is born with a clean, pure fitrah, which later may get deformed by the influence of the environment and the up-bringing." (sahih Al- Bukhari and Muslim )

This fitrah never changes with time: Allah said,

"The pure nature according to which Allah has created people. There is no change in Allah's creation.” Ar-Ruum 30:30

Re: What do you understand by Fitrah in Islam?

I wanted a more detailed explanation. I already know all this.