Definition of Resolutions：

The display resolution or display modes of a digital television, computer monitor, or display device is the number of distinct pixels in each dimension that can be displayed.

It is usually quoted as width × height, with the units in pixels: for example, 1024 × 768 means the width is 1024 pixels, and the height is 768 pixels. This example would normally be spoken as "ten twenty-four by seven sixty-eight" or "ten twenty-four by seven six eight."

Standard-definition television (SDTV):

-480i (NTSC-compatible digital standard employing two interlaced fields of 243 lines each)

-576i (PAL-compatible digital standard operating two interlaced fields of 288 lines each)

Enhanced-definition television (EDTV):

-480p (720 × 480 progressive scan)

-576p (720 × 576 progressive scan)

High-definition television (HDTV):

-720p (1280 × 720 progressive scans)

-1080i (1920 × 1080 split into two interlaced fields of 540 lines)

-1080p (1920 × 1080 progressive scan)

Ultra-high-definition television (UHDTV):

-4K UHD (3840 × 2160 progressive scan)

-8K UHD (7680 × 4320 progressive scan)

Definition of refresh rate：

The refresh rate of a display is the number of times per second that the image refreshes on the screen. For example, a 60Hz display will update the screen 60 times per second.

Common Resolution and refresh rate for different bandwidths.

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