(x, y, z) with the right hand rule

• (0, 0, 0) is the origin and default position for objects
• your thumb is pointing in the -x direction
• your index is pointing in the +y direction
• your middle finger is pointing in the -z direction
• by default, the camera position in A-frame is facing the -z position

Y = SKY (up down)

Z = ZOOOOOM (in out)

X = Criss-cross side to side (left right)