- "description": "Degree to which a product or system can be interacted with by specified users to exchange information via the user interface to complete specific tasks in a variety of contexts of use. This characteristic is composed of the following sub-characteristics:\n - Appropriateness recognizability - Degree to which users can recognize whether a product or system is appropriate for their needs.\n - Learnability - Degree to which the functions of a product or system can be learnt to be used by specified users within a specified amount of time.\n - Operability - Degree to which a product or system has attributes that make it easy to operate and control.\n - User error protection. Degree to which a system prevents users against operation errors.\n - User engagement - Degree to which a user interface presents functions and information in an inviting and motivating manner encouraging continued interaction.\n - Inclusivity - Degree to which a product or system can be used by people of various backgrounds (such as people of various ages, abilities, cultures, ethnicities, languages, genders, economic situations, etc.).\n - User assistance - Degree to which a product can be used by people with the widest range of characteristics and capabilities to achieve specified goals in a specified context of use.\n - Self-descriptiveness - Degree to which a product presents appropriate information, where needed by the user, to make its capabilities and use immediately obvious to the user without excessive interactions with a product or other resources (such as user documentation, help desks or other users).",
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