Darkness barreled in, and, for a terrible minute, the moon entirely occluded the light of the sun — except for its dancing orange corona, the outermost part of the sun’s atmosphere that is usually hidden by its powerful light.

Source: https://www.nytimes.com/2023/04/20/world/australia/solar-eclipse.html

For instance, the outermost layer of elements could consist of a white picket fence and wisteria on the exterior walls, moving in to interior features like wallpaper, pictures, bookshelves along the walls and furniture arranged in circular formations.

Source: https://www.forbes.com/sites/traversmark/2023/09/06/2-reasons-to-embrace-the-creative-chaos-of-maximalism-and-cluttercore/

The outermost circle was made up of the largest stones, which she explained represented the men who are the warriors, hunters, and protectors.

Source: https://www.bancroftthisweek.com/artist-inspires-awareness-of-algonquin-culture-and-colonization/

The outermost planet (LP 791-18 c) is a "mini-Neptune".

Source: https://www.zmescience.com/science/astronomy/there-are-so-many-volcanoes-on-this-exoplanet-that-they-could-harbor-an-atmosphere/

These hair fibers are each composed of three distinct regions: the cuticle, and the outermost area consisting of lamellar layers of structural tissue.

Source: https://www.lawsuit-information-center.com/hair-relaxer-lawsuit.html