Fake news is false or misleading information presented as news. Fake news is untrue news, presented as real news with the intent to mislead the audience.
(Definition taken from Wikipedia)
ClickView has a Digital Literacy series on Fake News that provides more information.
Video length: 3 minutes 23 seconds
Video created by FactCheck.org
Source: International Federation of Library Associations (IFLA), https://www.ifla.org/publications/node/11174
Video length: 1 minutes 11 seconds