What is nonconcurrency? Here are some definitions.
Noun
The property or an instance of being nonconcurrent; something that doesn't happen at the sametime with something else.
(computer science, by extension) A property of systems where several processes execute sequentially, not at the same time.
Examples
A copy of any concurrency or nonconcurrency statements shall be made a part of the administrative record and referenced in the final guidance memorandum.