Fonts are usually poems, words, aphorisms and so on! Since it is hung at home, I suggest you choose calligraphy fonts with decorative and meditation effects, such as regular script, seal script and official script! The writing format can be in the form of banners or fans, which are all good! As shown in the figure:
Departmental effect:
Official script banner:
Four-character official script banner:
I hope my answer can help you! Forgot to adopt!