kardyckiku lujvo

x₁=k₁=c₁ is a key card unlocking lock x₂=c₂ by property/card type x₃=c₃

Various types of cards include mechanical holes, bar code, magnetic stripe (maksriveikarda), Wiegand wire, microchip and RFID. Cf. maksrikardymi'i.

jbovlaste

In notes:

maksrikardymi'i: x₁=m₁ is a magnetic stripe card reader for use/function x₂=m₂, accepting card x₃=k₁
maksriveikarda: x₁=k₁ is a magnetic stripe card storing x₂=v₂ (data/facts/du'u) about x₃=v₃ (object/event)