I know of four,
Left-aligned
Center-aligned
right-aligned
justified
To make it useable, the disk first needs to be subdivided into logical volumes, then formate, so that it is readable by the systems.
The three default components listed in the inspector view of a terrain assets are: Terrain, Terrian Collider and Texture.
So the answer is Transform.
If you use the Move tool then click and drag an object while holding CTRL and Shift at the same time, it will snap the object to intersection points of the Collider; allowing stacking of objects automatically.
So the answer is Stack objects automatically.
I suggest you get a adapter from the old video input to HDMI
