This is the 18153rd most frequent Russian word.
цветок
Flower.
Here, "цветок" refers to a single blossom as a decorative element.
На столе стоит красивый цветок.
On the table, there is a beautiful flower.
In this sentence, "цветок" is in plural form as "цветки," describing multiple flowers or blossoms.
Каждую весну в саду появляются новые цветки.
Every spring, new blossoms appear in the garden.
Here, "цветами" is the instrumental plural form of "цветок," used to describe the activity involving various flowers.