This is the 4940th most frequent Russian word.
комплект
Set or kit.
Here, 'комплект' is used to denote a set of related items intended to be used together.
Я купил новый комплект мебели для гостиной.
I bought a new set of furniture for the living room.
In this sentence, 'комплект' refers to a collection of items necessary for a specific purpose.
Она заказала комплект документов для регистрации.
She ordered a set of documents for registration.
The usage of 'комплект' here is to describe a tailored group of clothing items designed for a particular activity.