Spidergrams, spidergraphs, spider diagrams and spider maps are all terms used to describe a mindmap-like hierarchical diagram. There is no authoritative definition of these terms, just common use from which a general description can be derived.
- Have a central topic,
- organize information in a pure hierarchy,
- have text on horizontal node lines,
- typically employ long phrases, or sentences.
- use color,
- make much use of images,
- have one or two words nodes (unlike a Buzan mind map)
Other uses of these terms
“Spider diagram” has another (disputed) meaning in mathematics – see the Wikipedia entry. The term “spidergram” has an alternative meaning in geology and another in representing data where they are also termed radar plots.