A diagram in which relationships between variables are represented by other visual means is sometimes called a graph, as in a bar graph, but may also be called a chart. Origin: [See -graph.]
Nail fungus can be caused by several different things and the cause of the infection is often difficult or even impossible to identify.Here are some common nail fungus culprits:1  Growing Older.ail fungus can be caused by several different things and the cause of the infection is often difficult or even impossible to identify. Here are some common nail fungus culprits: 1  Growing Older.
Nail Fungus Pictures. This infection occurs when fungus infects one or more of your nails. Nail fungus pictures clearly show how a nail fungal infection may begin as a white or yellow spot under the tip of your nail. It is more common in the toenail.his infection occurs when fungus infects one or more of your nails. Nail fungus pictures clearly show how a nail fungal infection may begin as a white or yellow spot under the tip of your nail.