source material

American  

noun

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

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Example Sentences

Talk about champagne problems: Your highly touted television series, based on very popular source material, premieres to big ratings, fan adoration and a second season renewal.

From Los Angeles Times

Their highest hurdle on their current pair of projects was honoring the legacy of each one’s source material — not just bestselling novels and beloved Broadway shows, but in the case of “Spider Woman,” the 1985 film.

From Los Angeles Times

Nine years later this new story promises to expand on Le Carré's source material, and alongside Tom Hiddleston's British intelligence operative Jonathan Pine, it sees the return of his fellow spy Olivia Colman's Angela Burr.

From BBC

Then there’s Anthony Doerr’s Pulitzer Prize-winning “All the Light We Cannot See,” about the converging stories of a German boy enlisted in Hitler’s army and a blind French girl during World War II. Sadly, this novel reads less like a book about living under fascist rule than a thirsty solicitation to become source material for Steven Spielberg’s next movie.

From Los Angeles Times

Its surprising success had a huge impact on Bethesda Softworks, the developer of its source material, bringing back lapsed players and creating new ones along the way.

From BBC