> Difference between Word Processor and text editor is in WYSIWYG mode of operation.
That’s a very modern perspective. In the history of computing, WYSIWYG word processing appears only in recent history. For far longer, the requirement was simply “processing words”. How they were displayed was irrelevant.
Indeed, it used to be considered such a computationally expensive task that entire systems were developed exclusively for word processing that did not have any other general purpose computing functionality. They were usually controlled through terminals which did not have graphics capability.
* word processors: text editors with an integrated formatting system with the ability to integrate some graphic elements, producing either printable documents or a specialized save format. Most likely to offer WYSIWYG-ish as the primary interface.
* publishing systems: formatting systems designed to create templates and apply them to produce repeatable-but-tweakable documents from multiple inputs and updated contents
That’s a very modern perspective. In the history of computing, WYSIWYG word processing appears only in recent history. For far longer, the requirement was simply “processing words”. How they were displayed was irrelevant.
Indeed, it used to be considered such a computationally expensive task that entire systems were developed exclusively for word processing that did not have any other general purpose computing functionality. They were usually controlled through terminals which did not have graphics capability.