The crossword solutions for the term QUALITY; NATURE are SORT, which is a four-letter word. Quality is an important concept in many areas of life, including business, education, and health care. It is often used to describe the degree to which something meets or exceeds expectations. Nature refers to the physical world, including plants, animals, and other living things, as well as the environment in which they exist. Quality and nature are closely related, as quality can be used to measure the health and sustainability of the natural environment.