This is the 9918th most frequent Spanish word.
borrar
To erase.
In this sentence, 'borrar' is used in its literal sense, meaning 'to erase' or 'delete' something.
Voy a borrar el mensaje antes de enviarlo.
I am going to erase the message before sending it.
Here 'borrar' is used metaphorically, implying the idea of forgetting or erasing mental recollections.
Ella quiere borrar los malos recuerdos del pasado.
She wants to erase the bad memories of the past.
This usage illustrates 'borrar' in the context of removing marks or writings from a surface physically.