meaning of rhetorical remark:
Rhetoric (pronounced /ˈrɛtərɪk/) is the art of discourse, an art that aims to improve the capability of writers or speakers to inform, persuade, or motivate particular audiences in specific situations.
Visual rhetoric is the fairly recent development of a theoretical framework describing how visual images communicate, as opposed to aural, verbal, or other messages. Visual rhetoric generally falls under a group of terms, which all encompass visual literacy.he study of visual rhetoric is different from that of visual or graphic design, in that it emphasizes images as sensory expressions of cultural meaning, as opposed to purely aesthetic consideration.