tōng​dào HSK6

passage

通道 tōng​dào
passage noun
a physical path, thoroughfare, or corridor for movement

The building's emergency passages must be kept clear at all times.

channel noun
a medium or route for transmitting communications, signals, or data

This instruction was sent through a dedicated communication channel.

Frequency

Movie subtitles
18.5 per million appears in 6% of films
Written text
42.7 per million

Details

HSK 3.0
Level 6

Sources

Definitions
CC-CEDICT