aspect

(noun) a distinct feature or element in a problem. Synonyms: facet. Examples: "He studied every facet of the question."

(noun) a characteristic to be considered.

(noun) the visual percept of a region. Synonyms: view, prospect, scene, vista, panorama. Examples: "The most desirable feature of the park are the beautiful views."

(noun) the beginning or duration or completion or repetition of the action of a verb.

(noun) the feelings expressed on a person's face. Synonyms: expression, look, facial expression, face. Examples: "A sad expression." "A look of triumph." "An angry face."