A canvas is a type of print or sheet of paper.
They are usually made of paper, cardboard or other cardboard or plastic.
A canvas can be printed on high-quality paper, but a canvas print can also be made with high-grade materials like cardstock.
A canvass can be a piece of paper or a flat surface with a number of parts.
The canvas can have the same or different colors or patterns depending on the size of the image.