This is the 173rd most frequent Chinese word.
港
"港" means "harbor" or "port."
Here, '港' (gǎng) is used as part of the proper noun '香港' (Xiānggǎng), meaning 'Hong Kong', referring to a place.
香港是一个繁华的城市。
Hong Kong is a bustling city.
In this sentence, '港' (gǎng) is a standalone word meaning 'harbor', indicating a place for docking ships.
许多船只停泊在港口。
Many ships are docked at the harbor.
Here, '港' (gǎng) is metaphorically used in '港湾' (gǎngwān), meaning 'harbor' or 'haven', symbolizing a safe or comforting place.