leti

In a sentence

• Moja sestra je stara deset let.

  My sister is ten years old.

  In this context, 'leti' is used to refer to 'years of age' in a specific grammatical case.

• Letalo leti prek neba.

  The airplane flies across the sky.

  Here, 'leti' is used to describe the act of flying in the present tense.

• Nekoč so ljudje potovali veliko manj let.

  In the past, people used to travel for fewer years.

  In this sentence, 'leti' indicates the concept of years in a comparative or plural form.