improviso

In a sentence

• Va dur a terme un discurs sense cap improvisació.

  He delivered a speech without any improvisation.

  Here, 'improviso' is used as a noun (improvisació) referring to the lack of preparation or spontaneity in the speech.

• En aquell moment d'emergència, vaig improvisar una solució ràpida.

  In that emergency moment, I improvised a quick solution.

  Here, 'improviso' is used as a verb (improvisar) meaning to come up with something spontaneously to address a situation.

• És un actor molt talentós capaç d'actuar basant-se en l'improviso.

  He is a very talented actor capable of acting based on improvisation.

  In this sentence, 'improviso' as a concept emphasizes spontaneity in the performance.