What does the term CBS 4 mean?

"CBS 4" likely refers to a local television station affiliated with the CBS network. The "4" indicates the station's channel number in a specific market.

To figure out which city this refers to, you'll need more context. For example:

* CBS 4 Miami refers to the CBS affiliate in Miami, Florida.

* CBS 4 San Francisco refers to the CBS affiliate in San Francisco, California.

Can you provide more information to help me identify which CBS 4 you are asking about?