This is the 16422nd most frequent Russian word.
ролики
"Ролики" means "roller skates" or "rollerblades" in English.
The word "ролики" here refers to rollerblades, which are equipment for skating.
Я купил новые ролики и поехал кататься в парк.
I bought new rollerblades and went skating in the park.
The word "ролики" in this context refers to small rollers that are part of a mechanical apparatus.
На телевизоре сломались ролики механизма подачи диска.
The rollers of the disc feed mechanism in the television broke.
The word "ролики" in this sentence refers to video clips, specifically advertisements.