di

In a sentence

• Di tu opinión sobre este tema.

  Give your opinion on this topic.

  The word "di" is used here as the imperative form of the verb "decir" (to say or to tell) for the second person singular (tú). It is prompting someone to share their opinion.

• Dime qué necesitas, por favor.

  Tell me what you need, please.

  Here, "di" is part of the imperative phrase "dime" (tell me), where "me" is the indirect object pronoun, meaning the action of telling is directed to the speaker.

• No di importancia a sus palabras, me concentré en mi trabajo.

  I didn't give importance to his words; I focused on my work.

  In this sentence, "di" is the first-person singular form of the preterite tense of "dar" (to give), indicating a completed action of not attributing importance.