Answer:

Step-by-step explanation:
Ann is an encyclopedia.
Encyclopedia means "being really informative".
Here, Ann is directly compared with encyclopedia for "being really informative" without using "as" or "like".
This direct comparison without using "as" or "like" is called "Metaphor".
![\rule[225]{225}{2}](https://img.qammunity.org/2021/formulas/chemistry/middle-school/ri1osubq0ul0fyszs3s2hvchlv85n22xxb.png)
Hope this helped!
~AnonymousHelper1807