This is the 47th most frequent Chinese word.
至
"至" means "to," "until," or "most."
The word '至' is used to indicate a range of time, referring to 'to'.
会议时间为上午十点至下午三点。
The meeting time is from 10 AM to 3 PM.
The word '至' is used to emphasize an extent, meaning 'to the utmost' in this case.
这幅画美至极点。
This painting is extremely beautiful.
The word '至' is used to indicate a destination, meaning 'to' in this context.