F
field A member variable of a class or structure.
finalizer In Visual Basic .NET, the method that is called just before an instance of a class is destroyed. See also destructor.
floating-point numbers A number that has a decimal component. See also floating-point types.
floating-point types Types capable of representing floating-point numbers. Floating-point types include Single (float) and Double (double). See also floating-point numbers.
focus When referring to a control, the condition of being able to receive user input through the keyboard or other input devices. A control that is capable of receiving input is said to have the focus.
foreign key In a data table, a column that contains a key value that uniquely identifies a record in a related table.
form The primary unit of the user interface in a Windows Forms application. A form serves as a nexus for data display and user input, and can host controls.