Here are some examples:
* "The library is across from the park." This means the library and the park are on opposite sides of a street or other dividing space.
* "She sat across from him at the table." This indicates they were facing each other, with the table between them.
* "The house across from ours is for sale." This means the house is located on the opposite side of the street from the speaker's house.
"Across from" can also be used figuratively to indicate a contrast or opposition:
* "His views are across from mine." This means their opinions are completely different.
The meaning of "across from" can vary depending on the context, but it always refers to a position that is opposite or facing something else.