Pay attention.

The action of looking; an attempt to see. / (often plural) Physical appearance, visual impression. / A facial expression.

Used other than figuratively or idiomatically: look into. / (idiomatic) to investigate, explore, or consider

present participle of look / as the last part of compound adjectives: relating to or having the appearance of.

The act of one who looks; a glance.

simple past tense and past participle of look

(in combination) Having the specified look or appearance.

(transitive) To observe or watch (something). / (transitive) To study (something) visually. / (transitive) To consider.

(transitive) To search for; to seek. / (transitive, archaic) To expect.

(idiomatic) To watch; to observe without participating. / (idiomatic) To think of something in a particular way.