The software primarily used for word processing among the given options is Word. Specifically, this refers to Microsoft Word, which is a widely recognized and utilized word processor developed by Microsoft. Word processing software allows users to create, edit, format, save, and print text documents. It provides a comprehensive set of tools for tasks such as typing letters, reports, essays, and other text-based content, offering features like spell check, grammar correction, font styling, paragraph formatting, and the insertion of images or tables.
While other programs like Google Docs or Apple Pages also serve as word processors, Microsoft Word remains a dominant application in both personal and professional environments. In contrast, Excel is a spreadsheet program used for data analysis and calculations, PowerPoint is presentation software for creating slideshows, and Access is a database management system. Therefore, for tasks involving the creation and manipulation of text documents, Word is the correct and most appropriate choice.