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"En" is a form of "en", a preposition which is often translated as "in". "Acerca de" is a preposition which is often translated as "about". Learn more about the difference between "en" and "acerca de" below.
en()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
acerca de()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. about
Leí un libro acerca de la guerra en la época medieval.I read a book about war in medieval times.
