What does 签证 (qiān zhèng) mean in English?

Card 323HSK 2010 Level 4323/586
CARD323
PROGRESS55%
签证
簽證
qiān zhèng
visa; certificate; to certify; CL:個|个[ge4]

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d