How do we use the other definitions of Transformations ?

Glide relfection - the combination of a reflection in a line and a translations along that line .

Orientation - orientation refers to the arrangement of points , relative to one another , after a tranformation  has occurred .

Isommetry - an isommetry is a transformation of the plane that preserves length

Direct isommetry - orientation of the isommetry remains the same .

Opposite isommetry - an isommetry that changes the order such as something going  from clockwise to counter clockwise .

Invareant - a  figure or property that remains unchanged under a transformation of the plane is referred to as invareant . ( no varreation have occurred )