This is the 6169th most frequent Russian word.
танцы
Dances.
In this case, 'танцы' is used as the object of a verb indicating a person acquiring the skills or techniques of dancing.
Он учится танцам.
He is learning dancing.
In this sentence, 'танцы' refers to the activity or art of dancing as a whole.
Я люблю танцы.
I love dancing.
Here, 'танцы' refers to a dance event or the performances involving dancing that are scheduled to occur.