Spider climbing on web Art

orphae">Araneomorphae Mesothelae Mygalomorphae See the taxonomy section for families Spiders are invertebrate animals that produce silk, have eight legs and no wings. More precisely, a spider is any member of the arachnid order Araneae, an order divided into three sub-orders in newer systems: the Mygalomorphae (the primitive spiders), the Araneomorphae (the modern spiders) and the Mesothelae, which contains the Family Liphistiidae, rarely seen burrowing spiders from Asia. The study of spiders is known as arachnology, although it is often included in the more general term entomology. See more at Wikipedia.org...

[her uses, see web.WEB is a computer programming system created by Donald Knuth as the first implementation of what he called "literate programming": the idea that one could create software as works of literature, by embedding bits of code inside descriptive text, rather than the reverse as is common practice in most programming languages. See more at Wikipedia.org...]