index card

US /ˈɪn.deks ˌkɑːrd/
UK /ˈɪn.deks ˌkɑːrd/
"index card" picture
1.

kartu indeks, kartu catatan

a small card used for writing notes, often for organizing information or for studying

:
She wrote her presentation notes on index cards.
Dia menulis catatan presentasinya di kartu indeks.
He used index cards to study for his history exam.
Dia menggunakan kartu indeks untuk belajar ujian sejarahnya.