This is the 1077th most frequent Polish word.
jednostek
"Units" (plural form).
The word 'jednostek' here means 'individuals', referring to persons as separate entities.
W tej książce opisano życie wielu jednostek.
This book describes the lives of many individuals.
The word 'jednostek' refers to 'units', in this context indicating individual computer units.
Zakupiliśmy pięć nowych jednostek komputerowych.
We purchased five new computer units.
Here, 'jednostek' signifies 'units', in this scenario used for the units stored in a warehouse.