Hello,
01. Navigate to Products > Attributes > create attribute > then add terms to created attribute – https://prnt.sc/tqzG6kgJCwEQ, https://prnt.sc/yq_ZcONu22_n
Edit the attribute itself – https://prnt.sc/ExOeF6K7T_U3 and enable the Show attribute label on products option – https://prnt.sc/7vckb4xRhteN
Edit the product for which you want to show the black friday and assign that label attribute to the product – https://prnt.sc/QGfKsahh3O9a
As a result, the label will be shown. https://prnt.sc/Oepo-lw1A_l7
For more details follow this guide:
https://xtemos.com/docs-topic/product-labels/
02. Could you please elaborate on your concern more with some useful Screenshots so that we can better understand and assist you accordingly, what you actually want.
Best Regards