horse blanket
n.— «Horse blanket Very large sheet of paper pasted on a wall and used to brief complex data or diagrams.» —“Appendix A—Informal Staff Language” by U.S. Army ST7000, Action Officer Development Course Dec. 6, 2004. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...