n.
1.(computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface
2.a visual representation (of an object or scene or person or abstraction) produced on a surface
3.a conventional religious painting in oil on a small wooden panel
Idiom of the Day
toe the line
to obey the rules and do what one is expected to do
The children were forced to toe the line when the new teacher arrived.