The gesture of standing with three fingers usually means the number "3" and can also be used to mean "third". In some cultures, this gesture may be used to express "three gods" and "three laws".
The gesture of standing with four fingers usually means the number "4" and can also be used to mean "fourth". In some cultures, this gesture may be used to mean "four directions" and "four laws".
It should be noted that the gestures and meanings of sign language may vary according to regions, cultures and personal habits. Therefore, in practical use, we need to understand the meaning of sign language according to the specific situation and background.