It was about the gap between bumper and body. to absorb some impact and save body.
regular mm of panel gap between the bumper and body.
About the head lamp.
this one is xenon's.
The bottom line will not be straight in xenon , where as here its made straight , like oe lamp of sierra.
also , below the visible bottom of head lamp , the thing is curved downward , like this / .
so on close view , there is no gap below the head lamp.
this so called gap continues in grill too. also the inclined picture add to the effect.