Final answer:
The brevity code word for 'Link 11A' is specific and may not be widely published or recognizable without proper context, most likely needing a military communication background to provide a precise answer.
Step-by-step explanation:
The brevity code word meaning "Link 11A" is not a term universally recognized across different domains, and thus requires context to provide an accurate definition. Without context, it can be challenging to pinpoint what "Link 11A" refers to. However, in military communications, brevity codes are often used to streamline the transmission of information. In this context, Link 11A usually refers to a specific type of data link used by NATO for exchanging digital tactical data. If this is the intended context, the actual brevity code word for Link 11A would not be widely published for security reasons and would not be available in open sources.