This is the 5999th most frequent Russian word.
следить
"To watch, monitor, or keep track of."
Here, 'следить' is used in the sense of 'keeping up with' or 'following' trends or updates.
Я люблю следить за модой.
I like to follow fashion.
In this sentence, 'следить' means 'watch out for' or 'pay attention to'.
Следите за дорогой, пожалуйста.
Please pay attention to the road.
Here, 'следить' is used to mean 'monitor' or 'track' someone's actions or movements.