дума

In a sentence

• Тази дума е много важна.

  This word is very important.

  Here, 'дума' (word) is used to signify a linguistic element or unit of meaning.

• Можеш ли да ми подскажеш правилната дума?

  Can you suggest the correct word to me?

  In this context, 'дума' refers to finding or indicating a specific linguistic unit that fits a context.

• Ще ти кажа моята последна дума.

  I will tell you my final word.

  Here, 'дума' (word) is used metaphorically to refer to a decision or definitive statement.