An identification such as a data element name / A clear data element definition / One or more representation terms / Optional enumerated values

(algebra, field theory) An element that generates a simple extension.

(algebra, commutative algebra, ring theory) Given a commutative unital ring R with extension ring S (i.e., that is a subring of S), any element s ∈ S that is a root of some monic polynomial with coefficients in R.

(radio) An element of an antenna that receives power directly from the transmitter.

(electronics) A circuit element or property that is present within an electrical component, and has a negative effect on the performance of the circuit.

(grammar) In certain approaches to grammar, a part of the sentence, classified as one of subject, predicate, object, predicative and adverbial.

(inorganic chemistry, physics) main group element

(category theory) A morphism whose codomain is some specified object.

(category theory) The identity element of an object when thought of as a generalized element of that object.

(botany) A cell that is linear in form and is responsible for the conduction of water and minerals in the xylem.