the main property of check box is . . . . . . . ..

The main property of a check box is check. A check box is a type of control that allows the user to select one or more options from a list. The check box is represented by a small box that can be checked or unchecked. When the box is checked, the option is selected. When the box is unchecked, the option is not selected.

The other options are not the main properties of a check box.

• List is a property of a list box, not a check box. A list box is a type of control that allows the user to select one or more options from a list of items. The list box is represented by a box that contains a list of items. The user can select an item by clicking on it.
• Value is a property of a text box, not a check box. A text box is a type of control that allows the user to enter text. The text box is represented by a box that can contain text. The user can enter text into the box by typing it.
• Text is a property of a label, not a check box. A label is a type of control that displays text. The label is represented by a box that contains text. The text can be any type of text, such as a title, a description, or a warning.