raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever
素
=
龶
+
糸
:
Susan Saint Bernard (su) has decided to become a vegan (素) and to let everyone know. In the space station's bathroom (Ø4) she manufactures a fancy headdress (龶) in the form of a vegan flower (素) out of her own spider silk (糸) so that everyone who sees her instantly knows that she's vegan (素).