Silva Rhetoricae: The Forest of Rhetoric : This online rhetoric, provided by Dr. Gideon Burton of Brigham Young University, is a guide to the terms of classical and renaissance rhetoric. Sometimes it is difficult to see the forest (the big picture) of rhetoric because of the trees (the hundreds of Greek and Latin terms naming figures of speech, etc.) within rhetoric.
This site is intended to help beginners, as well as experts, make sense of rhetoric, both on the small scale (definitions and examples of specific terms) and on the large scale (the purposes of rhetoric, the patterns into which it has fallen historically as it has been taught and practiced for 2000+ years).
A forest is the metaphor for this site. Like a forest, rhetoric provides tremendous resources for many purposes. However, one can easily become lost in a large, complex habitat (whether it be one of wood or of wit). The organization of this central page and the hyperlinks within individual pages should provide a map, a discernible trail, to lay hold of the utility and beauty of this language discipline.
Saheli Datta points us to: