These forms can answer in which direction?
ArabicMeaningArabicMeaningيَمِينًاto the rightيَسَارًاto the leftشَرْقًاeastward / in the eastغَرْبًاwestward / in the westجَنُوبًاsouthward / in the southشِمَالًاto the left or northward, by context
شِمَالًا needs context because it can express the left side or the north direction.
سَارَ الرَّجُلُ يَمِينًا — The man went to the right.