unattractiveness - an ugliness of appearance that is not appealing to viewers. 1  ugliness - qualities of appearance that do not give pleasure to the senses. 2  shapelessness - the quality of lacking an esthetically pleasing shape.
Let us first understand what implementation means. Implementation is the process of putting an action for the formulated plan. Before we implement, the plan should have been completed and our objectives should be clear. Testing each one of those actions formulated in the plan is said to be implementation testing.
In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is the standard from which all other implementations and corresponding customizations are derived.An improvement to a reference implementation reflects an unchanging specification.rom Wikipedia, the free encyclopedia. A reference implementation is, in general, an implementation of a specification to be used as a definitive interpretation for that specification (This definition is a bit grandiloquent but works).