Can some1 clarify these stats?

Hello,
What is the difference between these?
v
block damage resistance

Defense:
does this make people's attacks not hurt as much? Or does this only apply to blocking?

Revenge gain by injury:
if you take damage when blocking does this count? Does it scale with the damage you take?
Thank You

I didn't find the right solution from the Internet.
References http://forums.ubi.com/showthread.php/1560117-Can-some1-clarify-these-sta...

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