The definition of informative is something that contains useful, helpful or relevant information or details. ... Providing information; especially, providing useful or interesting information.

Why is the meaning of informative?

Something that is informative gives you useful information. It is a really informative book.

What does informative mean in writing?

Informative writing educates the reader by imparting straightforward information on a certain topic. Unlike other types of writing, informative writing does not aim to change the reader's thinking or move the reader to take action.