What does 扩展 (kuòzhǎn) mean in English?

Card 1533HSK Level 41533/3571
CARD1533
PROGRESS43%
扩展
擴展
kuòzhǎn
enlarge; extend(Verb)

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