Template

a stencil, pattern or overlay used in graphic arts (drawing, painting, etc) and sewing to replicate letters, shapes or designs
a pre-developed page layout in electronic or paper media used to create new pages from the same design, pattern, or style
Form letter, a standard letter in electronic or paper media used many times with details for individual recipients added

Computer science and information technology

Template (programming), a tool for generic programming especially in the C++ language
Template metaprogramming, a programming technique used by a compiler to generate temporary source code
Template (software engineering), any processing element that can be combined with a data model and processed by a template engine to produce a result document
Template (file format), a standardized file type used by computer software as a pre-formatted example on which to base other files, especially documents
Template (word processing), a standard document containing layout and styles used to configure word processing software
Style sheet or master page on which you can globally edit and format graphic elements and text common to each page of a document
Web template, a master page used to produce web pages
A main document from which mail merge documents are created

Mechanical template, used to cut and shape a product, such as:
- a die (manufacturing)
- a mold
- a jig (tool)

Template (racing), a device used in car racing to ensure that the body of the race vehicle adheres to specifications