quality of life

Short definition from Wiktionary

Noun

1. 1
   The general well-being of someone, and the degree to which someone's daily experience is enjoyable or unenjoyable.
2. 2
   The general well-being of someone, and the degree to which someone's daily experience is enjoyable or unenjoyable: Concerning prevailing conditions in public, such as cleanliness, safety, and the pleasantness of the surroundings or lack thereof.
3. 3
   Features or improvements designed to make software easier to use without changing the main functionality.