Haha, I think this term is originated by Honeycomb team actually.

Why I prefer "wide event" over "structured log" as a term because it has this "wide" component that serves for 2 purposes: - it highlights the intention of storing as much context as possible - it also hints on the implementation for a system that would serve them. One likely need to use columnar storage to store wide events, there is no way around it

But just a personal preference in the end.