Let's try to literally define batch processing:
- Batch: Bringing similar (or related) things together
- Processing: Performing some action or actions that results in the change of state
With that in mind, batch processing literally means performing actions on a group of things resulting in a new group of possibly different things.
If we look around us, we're doing things in batches without even realizing that we're doing it. Let's take making a smoothie for breakfast as an example. You typically bring together some fruits and/or vegetables, along with other ingredients, put them in a smoothie maker, and blend them together.
Now, if you look at the previous sentence, you realize that it fits perfectly into ...