信用卡 (xìnyòngkǎ) · credit card

信 xìn · letter

What 信 is made of

• 亻rén — person
• 言yán — words
  • 亠tóu — lid
    • 丶 — dot
    • 一 — horizontal stroke
  • 二 — two strokes
    • 一 — horizontal stroke
    • 一 — horizontal stroke
  • 口kǒu — mouth
    • 冂 — frame
    • 一 — horizontal stroke

用 yòng · to use

What 用 is made of

• 冂 — frame
  • 丨 — vertical stroke

卡 kǎ · card

What 卡 is made of

• 上shàng — above
  • ⺊ — structural part
    • 丨 — vertical stroke
  • 一 — horizontal stroke
• 卜bo — divination
  • 丨 — vertical stroke
  • 丶 — dot

Origin hint: A card squeezed between 上 and 下 (from the Make Me a Hanzi dataset; treat as a memory aid where history is uncertain)