This is the 3049th most frequent Russian word.
знаки
"Signs" or "symbols."
In this sentence, 'знаки' refers to 'signs' as physical indicators for guiding traffic.
Она изучала дорожные знаки, чтобы сдать экзамен.
She studied road signs to pass the test.
Here, 'знаки' is used in a metaphorical sense to mean 'gestures' or 'expressions'.
Знаки внимания и заботы могут укрепить отношения.
Signs of attention and care can strengthen relationships.
This usage of 'знаки' relates to symbols or semiotic elements studied in linguistics.