سال

In a sentence

• هر سال به ایران سفر می‌کنم.

  Every year, I travel to Iran.

  In this sentence, 'سال' (year) is used to indicate a recurring instance of the calendar year.

• این بهترین سال زندگی من است.

  This is the best year of my life.

  Here, 'سال' (year) is employed to refer to a specific period within the speaker’s life.

• تا سال آینده پروژه را تمام خواهیم کرد.

  We will complete the project by next year.

  In this sentence, 'سال' (year) is used to specify a timeframe in the future.