This is the 386th most frequent Hebrew word.
שבהן
"שבהן" means "in which" or "that are in them."
'שבהן' is used here to mean 'in which', referring to feminine plural 'stories' (סיפורים).
יש לי שלושה סיפורים שבהן מתוארות דמויות מעניינות.
I have three stories in which interesting characters are described.
Here, 'שבהן' signifies 'in which', relating to feminine plural 'exhibitions' (תערוכות).
ראיתי כמה תערוכות שבהן הוצג אמנות מודרנית.
I saw some exhibitions in which modern art was presented.
In this case, 'שבהן' means 'in which', pointing to feminine plural 'decisions' (החלטות).