What aspect does 'suitable' relate to in product selection?

The term 'suitable' in the context of product selection fundamentally relates to the appropriateness of a product for a given need or requirement. This means that the product must align effectively with the specific expectations, conditions, or standards of the user or situation at hand.

When a product is deemed suitable, it implies that it meets the necessary criteria for functionality, quality, and compatibility with the user’s requirements. This is crucial in selecting products, as the most appropriate choice will best fulfill the intended purpose.

While other factors like cost-effectiveness, popularity, and innovation may influence product selection, they do not directly pertain to the concept of being "suitable." Cost-effectiveness might deal with financial considerations, popularity reflects market trends, and innovation pertains to new ideas and advancements. However, none of these ensure that a product is suitable for a specific context as the appropriateness criterion does.