1. 蓝图；计划；设想；构想
A blueprint for something is a plan or set of proposals that shows how it is expected to work.
2. （建筑、设计的）蓝图
A blueprint of an architect's building plans or a designer's pattern is a photographic print consisting of white lines on a blue background. Blueprints contain all of the information that is needed to build or make something.
3. （基因）模型，型板
A genetic blueprint is a pattern which is contained within all living cells. This pattern decides how the organism develops and what it looks like.