This is the 26th most frequent Portuguese word.
em
The Portuguese word "em" means "in," "on," or "at" in English, indicating location or time.
Here, 'em' is used in a figurative sense to show what the subject is thinking about.
Nós pensamos em você frequentemente.
We think about you often.
Here, 'em' indicates location, showing where the speaker is.
Eu estou em casa.
I am at home.
Here, 'em' specifies where the book was placed, indicating physical placement.