powiedzieli

In a sentence

• Powiedzieli mi o swoich planach na weekend.

  They told me about their plans for the weekend.

  In this sentence, 'powiedzieli' is used in a direct context to indicate that someone informed another person about specific information (past tense)

• Powiedzieli, że przyjdą na spotkanie.

  They said they would come to the meeting.

  Here, 'powiedzieli' refers to someone stating their intention or commitment (past tense, referring to speech).

• Przyjaciele powiedzieli mi, że trzeba być cierpliwym.

  My friends told me that one must be patient.

  The word 'powiedzieli' is used to express advice or an opinion shared by others (past tense).