Justin K. Dimmel, Patricio G. Herbst, The Semiotic Structure of Geometry Diagrams: How Textbook Diagrams Convey Meaning, Journal for Research in Mathematics Education, Vol. 46, No. 2 (March 2015), pp.

Structure diagrams are a visual way of breaking down a problem into smaller parts. They show how a problem is organised by dividing it into components and are frequently used when designing ...