The Image shown is an outline. An outline is a line made by the edge of an object of it's silhouette. The image shown is obviously just an outline but shows what the object is. With just the outline of the object you are able to name the object shown, observe it, and see it in a simple form.
The image shown above is a contoured lined image. A contour line is a line that describes the shape of an object and the interior detail. If This picture was just a sketch of an old man there wouldn't be much detail. You wouldn't really know how he was feeling, where his wrinkle lines were, were the bags under his eyes were. There would barely be any detail. Contour lines give you the detail to the image. The contour lines describe the shape; how he's feeling, what he's doing, where his sag lines are, etc.
The image shown above is a picture of gesture lines. Gesture lines are lines that are energetic and catches the movement and gestures of an active figure. Gesture lines are usually in ads when they are trying to get your attention, or for a sale, or in a comic strip.
The image shown above is a picture of Sketch lines. Sketch lines are lines that capture the appearance of an object or impression of a place. This sketch is a sketch of a roughed up stuffed animal. With sketch lines it shows just the basics of the image it's the beginning of the image or picture. With a sketch it shows very little detail and maybe even none at all.
The image shown above is a picture of calligraphic lines. Calligraphic lines are a Greek word meaning "beautiful writing." Calligraphic lines also mean, precise, elegant handwriting or lettering done by hand.
The image shown above is a picture of an implied line. A implied line is a line that is not actually drawn but created by a group of objects seen from a distance. The direction an object is pointing to, or the direction a person is looking at. In this image the vines are showing a certain direction also the direction of the dirt, the logs, and the cement surrounding the garden on the pathway are all showing implied lines.
The image shown above is showing geometric shapes. Geometric shapes can include circles, squares, rectangles, and triangles. We can see geometric shapes in architecture and manufactured items. The image shown above is showing a way to use geometric shapes in architecture. The image has 2 geometric shapes, the triangle and the rectangle.
The image shown above is showing organic shapes. Organic shapes can include, but are not limited too, seashells, leafs, and flowers. We could see organic shapes in nature and with characteristics that are free flowing, informal and irregular.
The image shown above is showing positive shapes. Positive shapes in a drawing are the solid forms in a design such as a bowl of fruit. In a sculpture it is the solid form of the sculpture. In the image the positive shape would be the bowl and the fruit in the bowl.
