an incantation or a set of words that are believed to have magical power

जादुई शब्द

English Usage: The witch cast a spell over the village.

Hindi Usage: जादूगरनी ने गाँव पर जादुई शब्द बोला।

clarity of thought or expression

स्पष्टता

English Usage: He spoke with great lucidity during the lecture.

Hindi Usage: उसने व्याख्यान के दौरान स्पष्टता से बोला।