Non est factum意思

"Non est factum" is a Latin phrase that means "it is not done" or "it is not finished." It is used in various contexts, including law, construction, and art. In legal contexts, it may be used to refer to a situation where a document or agreement is not valid because it has not been properly executed or signed. In construction, it may be used to indicate that work has not been completed or that additional work is required. In art, it may be used to describe a work that is not finished or that is still in progress.