This is the 200th most frequent Hebrew word.
פעולה
Action; operation; activity.
Here, 'פעולה' refers to an organized activity or operation, possibly involving coordination.
הפעולה התקיימה בתחילת החודש שעבר.
The operation took place at the beginning of last month.
In this context, 'פעולה' indicates a mathematical operation, such as addition or subtraction.
לחישוב זה נדרש לבצע פעולה מתמטית.
For this calculation, a mathematical operation is needed.
In this sentence, 'פעולה' is used to indicate an 'act' or 'action'. It refers to an altruistic action.