Question

what do you understand by Canvas in Adobe Photoshop​

Answer 1

the area in which you will create and modify images.

Answer 2

The drawing canvas is the area in which you will create and modify images. By default, photoshop gives you a drawing canvas to work with, but you can easily open another. One by using the "New" menu choice from the "File" menu item. For the moment though, let's just use the default canvas given to us by Photoshop.