The phrase "general usability" refers to how easy and practical something is to use by most people. It indicates how user-friendly and accessible a product, website, or system is for the average user. Full definition
As far as general usability goes, not much has changed in the design. (neowin.net)
There's Presentation Mode, a «Smart Meeting Notes» feature that sends everyone at a meeting the same document (provided you hooked Paper up to your Google Calendar), plus general usability improvements like improved search and better accessibility for screen readers. (engadget.com)
The chunky, overweight, and somewhat overkill approach to durability and security — both in physique and data integrity — bulk out the device to a point where general usability can suffer in the long term. (zdnet.com)