On the HSK 7-9 vocabulary list, at CEFR level C2.

chuáng ㄔㄨㄤˊ

    • banner pennant (in ancient China)

zhuàng ㄓㄨㄤˋ

    • classifier for buildings
    • curtain hung over boat or carriage windows

      archaic

How 幢 is written

    部首 radical
    笔画 strokes
    15, with 12 after the 部首
    结构 structure
    左右结构
    偏旁 parts
    形旁 meaning
    声旁 sound

    Sources