The phrase "operating convenience" means making something easier or more efficient to use. There are several synonyms for this phrase, which include user-friendliness, ease of use, simplicity, user convenience, practicality, and efficiency. A product that is user-friendly or simple to navigate is more likely to be successful in the market as it appeals to the consumers' need for convenience. Efficiency and practicality are also key factors when it comes to products or services, as being efficient saves time and resources. Overall, using synonyms for "operating convenience" can help convey the importance of making a product or service easy and efficient to use, which ultimately improves user satisfaction and enhances the brand's reputation.