Answer:
D. The gliding or sliding of every point in the plane in the same direction.
Step-by-step explanation:
We know that 'Translation' is a rigid transformation in which the image or figure is moved in any direction'.
Now, since an image in the co-ordinate plane is formed by a number of co-ordinate points.
This means that when we translate a figure, we shift all the points responsible in making the figure in the same direction.
Hence, the key feature of a translation is the gliding or sliding of every point contributing to the figure translated in the same direction.
