What is the meaning of element?

noun

• An abstract part of something.
  • usage: "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech"
  • synonyms: component, constituent, factor, ingredient
• An artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system.
  • usage: "spare components for cars"; "a component or constituent element of a system"
  • synonyms: component, constituent
• Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter.
  • synonyms: chemical element
• The most favorable environment for a plant or animal.
  • usage: "water is the element of fishes"
• One of four substances thought in ancient and medieval cosmology to constitute the physical universe.
  • usage: "the alchemists believed that there were four elements"
• The situation in which you are happiest and most effective.
  • usage: "in your element"
• A straight line that generates a cylinder or cone. .