channel
In German, the word 'Kanal' is used to describe a channel, which can refer to a body of water that connects two larger bodies of water, or a means of communication or transmission, such as a television or radio channel. It can also refer to a channel in a computer program or system, which is a pathway for data or commands to travel through.
The canal is very wide.
In this phrase, the speaker is describing the breadth of a canal. 'Kanal' is used here to describe a man-made waterway.
I see a canal.
The speaker is pointing out that they are able to view a canal. In this context, 'Kanal' is directly translated as 'canal'.
The boat is sailing in the canal.
This sentence describes a boat that is currently moving within a canal. Here, 'Kanal' refers to a navigable artificial waterway.