What does SCAC stand for?

The correct choice is "Standard Carrier Alpha Code." SCAC is a unique two-to-four letter code assigned to transportation companies for the purpose of identifying carriers in various freight documents and transportation systems. This standardized code helps streamline communication and operations among shippers, freight forwarders, and carriers, ensuring that everyone involved in the shipping process uses the same identifiers for specific companies.

The other options do not pertain to widely recognized transportation or logistics terminology associated with carrier identification. The term "Standard Carrier Alpha Code" is specifically used in the industry to facilitate efficient processing and tracking of shipments, making it the most relevant and accurate definition among the provided choices.