On the Build Page, the Platform target list is set to Any CPU. On the Application Page, the Output type list specifies that the project is an application. On the Application Page, the Target framework list specifies the .NET Framework 4.5.
Definition of hashtag. : a word or phrase preceded by the symbol # that classifies or categorizes the accompanying text (such as a tweet)
Hash is a numeric quantity which identifies the signature of an object. Ideally every hash should only map to one and only one object. However, two objects can map to same hash. A function which produces Hash Values are called hash functions and are fundamental to system design, cryptography, compilers and other fields of CS.