This is the 2528th most frequent Russian word.
расширение
Expansion; extension; enlargement.
In this sentence, 'расширение' refers to software extensions or add-ons that expand the functionality of a program.
Из-за обновления программы требуется установка нового расширения.
Due to the program update, installing a new extension is required.
Here, 'расширение' denotes the process of increasing the diversity or breadth of the product line.
В планах компании — расширение ассортимента продукции.
The company's plans include expanding the range of products.
In this context, 'расширение' is used to signify increasing knowledge or understanding.