Once is often more than enough, particularly when creating a lengthy or comprehensive template. Each template, though differing in format and layout, is essentially a pre-constructed document in which ...
With interactive documents, you can choose from a range of predefined options for data, instead of typing the data from scratch each time. If you write lots of letters to the same few correspondents, ...
In Microsoft Word, templates are pre-designed documents that you or someone else (such as Microsoft) creates to use as a pattern for a project. The template could be for a business card, brochure, ...