Imagine the positional relationship between the orientation of the object and each other; describe the motion and graphic changes; language description based on the drawing graphics.
Imagine the orientation of objects and the relationship between each other's positions, describe the motion and change of graphics, draw graphics based on language descriptions, and so on.
Imagine the orientation of objects and the position relationship between them; describe the movement and change of graphics; draw graphics according to the description of language.<br>