The term W. Afr. Republic is a reference to the West African Republic, which is a fictional country in the novel Things Fall Apart by Chinua Achebe. The crossword solutions for this term are LIB (3 letters) and GUI (3 letters). LIB stands for Library, which is a collection of books, magazines, and other materials that can be accessed by the public. GUI stands for Graphical User Interface, which is a type of computer interface that allows users to interact with a computer system through graphical elements such as icons, menus, and buttons.