This is the 113th most frequent Estonian word.
toimub
"Happens" or "takes place."
In this sentence, 'toimub' is used to describe a recurring scheduled event.
Festival toimub suvel igal aastal.
The festival takes place every summer.
Here, 'toimub' is employed to express an ongoing event or situation.
Ma ei tea, mis siin just toimub.
I do not know what is happening here right now.
In this context, 'toimub' refers to a planned event that will occur in the future.