LED display what is the " pixels " ?

“Pixel” is the smallest imaging unit that constitutes an LED display, also known as “dot” or “pixel point”. The pixel of the LED display is the smallest light-emitting unit on the display. One pixel of a monochrome display refers to a light-emitting diode; for a full-color LED display, 1R1G1B or 2R1G1B is a pixel.