This is the 3435th most frequent Russian word.
признаков
"Signs" or "features."
The word 'признаков' here is used to mean 'signs' or 'indicators' when describing symptoms or evidence of an illness.
У него не было признаков болезни.
He showed no signs of illness.
In this instance, 'признаков' refers to 'signs' or 'indicators' of a natural event or change in season.
Признаков приближающейся весны появилось много.
There are many signs of the approaching spring.
Here, the word 'признаков' denotes 'indicators' or distinguishing marks relating to authorship.