1 a small box on a computer screen that you click on to show a choice, to open or close a file, etc.:
If only some of the files in a folder are selected, then the checkbox for that folder would be indeterminate.
This is most often used when the checkbox is tied to a collection of items in mixed states.
There is also a checkbox providing tech three in all expensive fields at game start.
A checkbox at the bottom of the panel allows switching spaces automatically when switching between applications bound to spaces.
This third state is shown as a square or dash in the checkbox, and indicates that its state is neither checked nor unchecked.
Clicking on this indeterminate checkbox would select all or, less commonly, none of the contained files.
A caption describing the meaning of the checkbox is normally shown adjacent to the checkbox.
The ballot itself consists of a list of names, each with a checkbox beside it.
