Here are some examples:
* "El libro está encima de la mesa." (The book is on top of the table.)
* "Hay una nube encima de nosotros." (There is a cloud above us.)
* "Puse una manta encima del sofá." (I put a blanket over the couch.)
It can also have a figurative meaning, like "besides" or "in addition to":
* "Encima de todo, me siento mal." (Besides everything else, I feel bad.)
The meaning of "encima" will depend on the context of the sentence.