The usability factor

a follow-up

Let’s take usability first. My dictionary defines usability as the state or quality of being usable. Not too much help there. Usable, in turn, was defined as that can be used; fit; convenient, or available for use. Still not much help. As a generic software-oriented definition, we can probably say that usability is a set of conditions that supports the effective and efficient utilization of a tool, on its intended applications, to achieve a specified set of objectives.
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