noun
Literal photographic blueprint or cyanotype print. Technical term in architecture and engineering.
建築家は青写真を広げて説明した。
The architect spread out the blueprint and explained it.
noun
Figurative use for a detailed plan or vision for the future. Common in business, politics, and personal goals.
政府は経済改革の青写真を発表した。
The government announced a blueprint for economic reform.
彼は将来の青写真を描いている。
He is drawing up a blueprint for his future.