* Branch of CBS (Columbia Broadcasting System): This is the most likely meaning. CBS is a major American television and radio network, and they might have branches or offices in different locations. It's possible this refers to a specific local office or station associated with CBS.
* Branch of a CBS affiliate: CBS has many affiliated stations across the country. "CBS branch" could refer to a specific department or office within one of these local affiliate stations.
* An acronym or abbreviation: "CBS" might be used as a shorthand for something else, like a company or organization. In this case, "branch" would refer to a specific division or location within that entity.
To understand what "CBS branch" means, you'll need to provide more context. For example:
* Where did you see or hear the term?
* What was the discussion or topic about?
Once you give more information, I can give you a more accurate answer.