Set of accessibility icons used for human-machine interaction. The generic icon "Universal Design" summerized interaction diversity. Each other icons can be used to set personalized usage modes. Vocal+ is for vocalized interface (for blind users), Easy+ is for easy to use interface (for beginners), Visual+ is for light visual adjustments (hard of seeing users), Visual++ is for advanced visual settings such as high zoom and very high contrast (for hard of seeing users) Reading+ is for highly legible and vocalized text (for users needing reading accommodations), Reading++ is for more advanced reading tools like rulers, margins, text colorization, vocalization (for users needing reading accomodations). Pointing+ offers navigation settings with large buttons or even no-click navigation with automatic hovering clicks (for users who have difficulty with the mouse pointer) Motor+ offers additional settings as vocal command or sequential one-button command (for users who navigate interfaces exclusively using buttons or keyboard commands). See https://confort-plus.orange.com/index_en.html for a functional demonstration of an interface with usage modes implementation.