(See also Introduction to Periodontal Disease.) Trench mouth is a painful infection of the gums, causing pain, fever, and sometimes fatigue. If the normal bacteria in the mouth overgrow, the gums can become infected. The gums hurt, and people sometimes have extremely bad breath.
The Elements of Art and Design: A continuous mark made on a surface by a moving point; it may be flat (pencil line) or three-dimensional (a rod, groove, ridge, etc.) Line may be explicit - a line painted along the edge of the road - or implied by the edge of a shape or form.
ELEMENTS OF ART: The visual components of color, form, line, shape, space, texture, and value. Line An element of art defined by a point moving in space. Line. may be two-or three-dimensional, descriptive, implied, or. abstract. Shape An element of art that is two-dimensional, flat, or limited to.