Does the word yang mean good or bad?

Yang is a neutral word, meaning it does not matter whether it is good or bad.

◎ 烊yáng〈dynamic〉

(1) (Phonetic. From fire, sheep sound. Original meaning: metal melting)〈方〉: melt, melt [melt]

In a short while, white gas came out of the ink cartridge, and the lower half was closed. ——"Lao Can's Travels"

(2) Another example: Yang copper hot iron (hot copper and iron utensils. Refers to torture instruments such as burning in hell)

◎烊yàng

"closing" (dǎyàng) ( is closed at night.)