The majority of animated explainer videos today have a flat, two- dimensional look. This 2D method works truly well for streamlining concepts or processes. In some cases, it's important to include a 3rd measurement: depth.
It can be difficult to tell the difference between 2D animation and 3D animation. If you really wish to get technical, it's the distinction between drawing 2D illustrations and developing 3D models. But. the typical audience doesn't appreciate all of that. They just know that 3D appears more advanced and visually richer.
See more here: https://www.youtube.com/watch?v=8KUTlq2F7z8
