Literature, most generically, is any body of written works. More restrictively, literature writing is considered to be an art form, or any single writing deemed to have artistic or intellectual value, often due to deploying language in ways that differ from ordinary usage.
The death of Dr. Hudson is a loss to the republick of letters.
William King, letter (Jan. 7, 1719). Same phrase occurs in the Spectator. Commonwealth of letters is used by Addison, Spectator, No. 529. Nov. 6, 1712.
The world's oceans cover over two thirds of the Earth's surface. EU-funded scientists are paving the way for a European network of deep-sea observatories to facilitate real-time monitoring of the myriad of changes affecting our lives.