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)
Twitter was also responsible, I would suggest, for the now continuous use of #hashtags within social networks. Generally, hashtags are used to highlight a keyword or acronym which other users may utilise for search purposes.