Final answer:
Soft peak egg whites are a stage in whisking egg whites where they hold their shape but the peaks droop slightly. They have a light and fluffy texture, similar to shaving cream or a meringue mixture.
Step-by-step explanation:
Soft peak egg whites are a stage in the process of whisking egg whites. At this stage, the egg whites have been beaten to the point where they hold their shape when the whisk is lifted, but the peaks droop or slump slightly. The texture is light and fluffy, similar to shaving cream or a meringue mixture. Soft peak egg whites are commonly used in recipes like soufflés and mousse.