Design and expression Figure 1 google earth control view control So how can I understand the correspondence between plus and minus signs and spatial distance? Recalling our commonly used picture viewing software, when you click the whatsapp Database plus sign, it means zoom in, and when you click the minus sign, it reduces the current picture. Here, the plus minus sign and zoom in and out form a corresponding relationship, so I can understand it through previous knowledge and experience. The meaning of the google earth control, this performance whatsapp Database model is the design that conforms to the user's mental model. design and expression Figure 2 ACDSee zoom in and zoom out controls.
And different people may have different understandings of the same product, just as there are a thousand different images of Hamlet in the hearts whatsapp Database of a thousand people. In product design, as long as we can ensure that users can form a simple and effective cognitive model, then this performance model is reasonable. Simplified interaction (better expression of behavior) Many times, we have to face a large amount of information and functions that need whatsapp Database to be communicated to users, but we can’t make the interface full of buttons and information, we need to do subtraction, which may be to hide functions that users don’t use temporarily or functions that are used less frequently.
It may also be to group logically similar functions and reuse part of the interface; it may also be to use one control to implement multiple functions whatsapp Database to complete more tasks. Take the example of an iphone. We all know that traditional mobile phones have a huge physical keyboard. When the user does not need input, the keyboard is not really useful. The touch screen used by the iPhone uses a virtual keyboard design, and the keyboard appears when the whatsapp Database user needs to input. Greatly saves valuable screen space while minimizing disruption to the user's task flow. design and expression Figure 3 Iphone's virtual keyboard Rich feedback (rich expression of details) In human-to-human communication.