Expression; the act or manner of representing thoughts, feelings, or ideas in words, actions, or art; a way of conveying meaning.
彼女は音楽で自分の感情を表現するのが上手だ。
She is good at expressing her feelings through music.
この文章は直接的な表現よりも比喩的な表現が多い。
This text uses figurative expressions more than direct ones.
表現の自由は民主主義で重要な原則だ。
Freedom of expression is an important principle in democracies.
In mathematics, a representation of an object (e.g., a group) in another form (such as matrices) — the technical notion of 'representation'.
この講義では群の表現について学びます。
This lecture will study representations of groups.
行列で表現することで計算が簡単になる場合がある。
Expressing something with matrices can sometimes simplify calculations.