Qualities

noun

1. Level of excellence.

   "Quality of life is usually determined by health, education, and income."

2. A property or an attribute that differentiates a thing or person.

   "One of the qualities of pure iron is that it does not rust easily."

3. High social position. (See also the quality.)

   "A peasant is not allowed to fall in love with a lady of quality."

4. The degree to which a man-made object or system is free from bugs and flaws, as opposed to scope of functions or quantity of items.
5. In a two-phase liquid–vapor mixture, the ratio of the mass of vapor present to the total mass of the mixture.