The model of the speech circuit proposed by Ferdinand de Saussure in "Course in General Linguistics" (1966 [1916]). A conversation is an exchange of vocalized mental signs. The drawing uses the oak clipart by rg1024 http://www.openclipart.org/detail/colored-oak-tree-by-rg1024
I really thought I was done with the Ornate Frames. But this one was too good to not synthesize. Mister Horse and Misses Cow look at the center of the page, waiting for your awesome text. The top is already divided off and ready for your title (original title was "the desert farmer" but that has been removed to let you title it anyway you want!) .. enjoy!