What is another word for master copy?
Pronunciation: [mˈastə kˈɒpɪ] (IPA) 
Master copy is a term that refers to the original version of a document or file that serves as the basis for creating copies. Synonyms for master copy include original, source, prototype, model, template, and blueprint. The term "original" is often used to describe the first version of a document or file, while "source" refers to the primary material from which something is derived. A "prototype" is a preliminary version of a product used to test and adjust it before it goes into production. "Model" and "template" both refer to a standard or pattern used for creating copies, with "model" suggesting a physical object and "template" suggesting a digital format. "Blueprint" refers specifically to a detailed plan or design, particularly for architectural or engineering purposes.
