niches

/N IH1 CH IH0 Z/
noun
  1. 1

    A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. Hence, any similar position, literal or figurative.

    syn:nook
  2. 2

    A function within an ecological system to which an organism is especially suited.

  3. 3

    (by extension) Any position of opportunity for which one is well-suited, such as a particular market in business.

  4. 4

    An arrow woven into a prayer rug pointing in the direction of qibla.

Source: https://en.wiktionary.org/wiki/niche, https://en.wiktionary.org/wiki/niches