This is the 313th most frequent Persian word.
مجموعه
Collection; set; series; ensemble.
Here 'مجموعه' refers to a collection or series of related items, specifically historical content represented by books.
این کتاب بخشی از یک مجموعهٔ تاریخی است.
This book is part of a historical collection.
In this sentence, 'مجموعه' denotes a collection or set of old photographs.
او مجموعهای از عکسهای قدیمی را در نمایشگاه به نمایش گذاشت.
He exhibited a collection of old photographs at the gallery.
Here, 'مجموعه' means a set or group, specifically referring to a collection of laws.