繫結(To connect a control to a field or group in the data source so that data entered into the control is saved to the corresponding field or group. When a control is unbound, it is not connected to a field or group, and data entered into the control is not saved)
繫結程序(The process of creating a link between a property and a source. The source can be local or external); 繫結關係(A relationship created between a property and a source. The source can be local or external)