A word processor is a type of application software. Just as the word 'application' sounds, Word processors as spreadsheets, databases etc. allow users to accomplish a task with the computer. These tasks are the ones that differentiate word processors with other application software.
What is Word Processing?
processing is the act of creating, saving, editing, formatting and
printing text and graphic documents using an electronic word processor
What is an (Electronic) Word Processor?
is an application software that enables the user to develop word
processing activities like creating, saving, editing, formatting and
printing text and graphic documents