Answer:
Tolerance
Step-by-step explanation:
Tolerance option for the magic wand can select few or more pixels which is based on how similar they are in color to the clicked or selected pixel. They determine how less or more an area of selection will be made. This option controls the sensitivity of magic wand selection and determines range of color selected by Magic Wand tool. Tolerance is based on brightness levels ranging from 0 to 255 where 0 selects one color and 255 can select all colors.