This is the 395th most frequent Spanish word.
curso
"Curso" means "course" or "class" in English.
Here, 'curso' refers to an academic or training program designed to impart specific knowledge or skills.
Estoy inscrito en un curso de literatura.
I am enrolled in a literature course.
In this case, 'curso' is used to describe the natural path or direction that something follows, such as a river.
El río cambió su curso después de la tormenta.
The river changed its course after the storm.
Here, 'curso' is used metaphorically to signify the progression or passage of time or events.