Reflecting
Reflecting is the same as flipping, it can be done horizontally and vertically.
Translating
Translating is the same as moving, again, it can be done horizontally or vertically.
Rotating
Rotating is basically turning the shape, it can be done clockwise, or anticlockwise.
Cross Sections 1
If you cut a prism vertically, the face will end up looking like the polygons at the ends.