This is the 6387th most frequent Russian word.
цепочки
"Цепочки" means "chains" or "sequences" in English.
Here, 'цепочки' refers to physical decorative chains, as part of jewelry or ornaments.
Я купил новые цепочки для украшения.
I bought new chains for decoration.
In this sentence, 'цепочки' is used metaphorically to describe a sequence or chain of processes or steps.
Мы изучили механизм передачи на основе цепочки процессов.
We studied the transmission mechanism based on the chain of processes.
Here, 'цепочки' refers scientifically to chains, specifically DNA molecular chains.