His forHorizontal
Iis forInside out
Something is inside-out if its inside is on the outside and its outside is on the inside. Quite often when you take your clothes off they end up inside-out. The rubber gloves in the picture are inside out.
Video: view
The man in the picture looks like he is jumping over the woman in the picture.
Two or more things are overlapping if one of them covers up some part of the other so you can't see the one behind. The two leaves in the picture are overlapping.