source material

American  

noun

1. original, authoritative, or basic materials utilized in research, as diaries or manuscripts.

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Example Sentences

There’s no possibility, however, that the Nintendo source material will leave your mind during 2023’s animated smash “The Super Mario Bros. Movie” or its sequel, “The Super Mario Galaxy Movie.”

From The Wall Street Journal

The idea was to compose a show that even those who weren’t “Monty Python” fans would enjoy, with hints of romance and sincerity absent from the source material.

From Los Angeles Times

It's common for successful TV adaptations to spike an interest in the original source material, with Julia Quinn's Bridgerton books and David Nicholls' One Day novel just two examples of stories that have re-entered bestseller lists.

From BBC

But for those adapting books for TV or film, there can often be challenges too, especially if the source material already has a big fanbase.

From BBC

AI accuracy is steadily improving, but in its eagerness to please you AI may misinterpret source material to give you a precise answer to your question, or even invent sources that don’t exist, rather than admit it couldn’t find relevant answers to your question.

From The Wall Street Journal