When to Use . . . . . . a Line graph. Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group. . . . a Pie Chart.
Definition of mouse potato. slang. : a person who spends a great deal of time using a computer.
1 Long white potato: The White Rose is one of the better-known varieties of all-purpose potatoes. When new, they are thin-skinned and waxy; when mature, they are starchy and weigh an average of half a pound.  Marble potato: These are tiny (yes, marble-sized) potatoes.