The collection of data took several weeks.

The act of gathering items or data.
The collection of stamps is his favorite hobby.
Her collection of books fills the entire shelf.
We started a collection of coins from different countries.
art collection
data collection
collection agency
gathering
assembly
accumulation
He has a large collection of sports memorabilia.

A group of items gathered together, often for a specific purpose or interest.
Her collection of stamps is impressive.
They started a collection of vintage toys.
The museum has a collection of ancient artifacts.
art collection
coin collection
book collection
group
set
assortment
She has a large collection of stamps.

A group of items gathered together, often for a specific purpose.
He started a collection of coins.
Their collection of books is impressive.
I found a collection of old photographs.
art collection
stamp collection
book collection
group
assortment
set