This is the 2094th most frequent Spanish word.
característica
Characteristic; a feature or quality that distinguishes something or someone.
Here, 'característica' is used to denote an inherent quality or feature of the noun it describes, in this case, the product.
La principal característica del producto es su resistencia.
The main feature of the product is its durability.
In this sentence, 'característica' refers to a trait or aspect of someone's character or personality.
Una buena característica de su personalidad es la honestidad.
A good trait of his personality is honesty.
The word 'característica' in this usage highlights a defining or identifying aspect of the architectural style.