- Resolution is the number of pixels on the horizontal axis to the number of pixels on the vertical axis.
- Resolution is expressed as width to height with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels.
- DPI stands for 'Dots Per Inch' and refers to the number of dots per inch on a printed page.
- PPI stands for'Pixels Per Inch' and refers to number of pixels per inch in your image.
