درون

In a sentence

• درون خانه بسیار آرام است.

  Inside the house, it is very quiet.

  In this sentence, "درون" is used as a preposition indicating location, meaning 'inside'.

• او درون خود احساس شادی می‌کند.

  She feels happiness within herself.

  Here, "درون" is used as an adverb reflecting an introspective or internal context, meaning 'within'.

• درون یک اثر هنری می‌توان عواطف مختلفی را یافت.

  Within an artwork, various emotions can be found.

  In this example, "درون" functions as a preposition to signify the inner aspects of something, in this case, an artwork.