Introduction
The application of metaphor has important function in human computer interaction (HCI).It can be used as a device to aid users appreciate new or strange technologies and as a tool to direct the design process. The creators of fresh computer based instruments face the same issues of design just like those in human computer interaction. It is widely used in various type of interface designs ranging from computer interfaces, gesture controlled instruments, mobile phone interfaces, smart phones and tablets, other structures of mental model, autonomous systems, assistive devices and any other interface design that is based on users’ mental model. ...
