This is the 633rd most frequent Japanese word.
制限
Limit; restriction.
Here, 制限 is used to denote a restrictive rule or parameter, specifically related to age.
そのイベントには年齢制限があります。
There is an age limit for that event.
In this context, 制限 refers to restrictive measures applied to regulations or policies.
政府は輸入品に制限を設けました。
The government imposed restrictions on imported goods.
Here, 制限 indicates a set period within which an action must be completed.