This is the 773rd most frequent Bulgarian word.
разширяване
Expansion.
The word 'разширяване' is used here as a noun, signifying the act of expanding in a literal, physical sense, referring to the widening of a road.
Разширяването на пътя ще улесни трафика.
The expansion of the road will ease the traffic.
In this context, 'разширяване' is figuratively used as a noun to represent an increase in the range or variety, specifically referring to products.
Компанията обяви разширяване на продуктите си.
The company announced an expansion of its products.
Here, the term 'разширяване' metaphorically denotes an increase or broadening in a non-physical sense, relating to intellectual growth.