This is the 455th most frequent Croatian word.
ovaj
"This"
Here, 'ovaj' is a demonstrative pronoun used to specify 'this' table.
Ovaj stol je vrlo čvrst.
This table is very sturdy.
In this case, 'ovaj' specifies 'this' movie among others as being of interest.
Sviđa mi se ovaj film koji smo jučer gledali.
I like this movie that we watched yesterday.
'Ovaj' here refers to 'this' problem, indicating a problem relevant to the current discussion.