The document discusses the programming language R. It defines R and explores its graphical user interface. It describes R's capabilities for data handling, storage, interfacing with databases, and running code without a compiler. The document also discusses R's usefulness for web scraping, complex math operations, and creating reports. It explains that R is command line driven but has graphical user interfaces. It describes data frames and lists in R. Finally, it outlines functions for reading data into and writing data out of R.