件 jiàn

item; component; classifier for events, things, clothes etc

condition; circumstance; term; factor; requirement; prerequisite; qualification

event; happening; incident

document; file

mail; post; email

certificate; papers; credentials; document; ID

email

(computer) software

hardware

enclosure; attachment (email); appendix

case; instance

part; component

letter (sent by mail)

part; component

component; part; fitting

unconditional