What is the meaning of the vector represented by the parameter x _ reign _ y _ rec _ z in rotate3d (x _ force _ y _ direction _ z _ deg) in CSS3

The

x
< number > type, which can be a numeric value between 0 and 1, represents a vector in the X coordinate direction of the axis of rotation. The
y
< number > type, which can be a numeric value between 0 and 1, represents a vector in the Y coordinate direction of the axis of rotation. The
z
< number > type, which can be a numeric value between 0 and 1, represents a vector in the Z coordinate direction of the axis of rotation.
a
type, indicating the rotation angle. A positive angle value rotates clockwise and a negative value rotates counterclockwise.

can you explain what vector means?
I didn"t see any difference when I tried from 0.1 to 1.

I hope someone who understands will introduce me

.
Css
Jul.28,2021
The

vector has direction and magnitude.
if you rotate, you need to know how to rotate, just like a gear, you rotate has an axis of rotation, (xrem y

) represents a direction from the origin to the current point

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