Information Literacy Logo and definition of «information literate person»:
"To be information literate, a person must be able to recognize when information is needed and have the ability to locate, evaluate, and use effectively the needed information. The information literate individuals are those who have learned how to learn” (ALA, 1998)
More details and glossary in
Guidelines on Information literacy for Lifelong learning (Final draft by Jesús Lau), namely difference between skills and competencies.