index card

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

scheda, cartoncino

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

:
She wrote her presentation notes on index cards.
Ha scritto gli appunti della sua presentazione su schede.
He used index cards to study for his history exam.
Ha usato schede per studiare per l'esame di storia.