(RHI) Right hand in swing: You are facing the door standing outside, exterior side, of the door. The handle or lock will be on your left side, the hinges will be on the interior right side of the door and the door will swing towards the inside from left to right. When the door is at its open position, the door will be resting on the right interior side.

(LHI) Left hand in swing:  You are facing the door standing outside, exterior side, of the door.  The handle or lock will be on your right side, the hinges will be on the interior left side of the door and the door will swing towards the inside from right to left.  When the door is at its open position, the door will be resting on the left interior side.

(RHO) Right hand out swing:  You are facing the door standing outside, exterior side, of the door.  The handle or lock will be on your left side, the hinges will be on the exterior right side of the door and the door will swing towards the outside from left to right.  When the door is at its open position, the door will be resting on the right exterior side.

(LHO) Left hand out swing:  You are facing the door standing outside, exterior side, of the door.  The handle or lock will be on your right side, the hinges will be on the exterior left side of the door and the door will swing towards the outside from right to left.  When the door is at its open position, the door will be resting on the left exterior side.