A plain-language explanation
Google Doodle is a special version of the search engine logo prepared to celebrate events, anniversaries, holidays and achievements of important people.
Where it helps in practice
A Doodle is an editorial search-logo feature tied to an event or person, not an advertising placement available for purchase.
The decision before implementation
Distinguish cultural relevance from any suggestion of an official Google partnership.
How to verify the result
Review rights, contextual fit and audience response before using a related motif in brand communication.