How to use the word challenge?

[Sheena]

Hi everyone,
I'm a new member , and i would like to improve my writings skills. Could somebody explain to me when and how to use the word challenge?
Thanks a lot,
Sheena. :?:

[Kitosdad]

Good morning Sheena.

I find learning English a stimulating challenge, a challenge I am willing to accept.

I like a challenge. I challenge you to a battle of wits. Will you accept the challenge?

Many ways to use this interesting word Sheena.

Kitosdad.
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Keep it simple ... Keep it interesting.