General Talk:
* Разговор (razgovor) - This is the most general word for "talk" and refers to any kind of conversation.
* Беседа (beseda) - This word implies a more formal or intellectual conversation.
Specific Kinds of Talk:
* Речь (rech) - This refers to a formal speech or address.
* Диалог (dialog) - This refers to a conversation between two people.
* Говорить (govorit) - This is the verb "to talk" or "to speak".
* Обсуждать (obsuzhdat) - This means "to discuss" something.
Here are some examples:
* Мы вели разговор о политике. (We had a conversation about politics.)
* Профессор прочитал интересную речь. (The professor gave an interesting speech.)
* В пьесе был забавный диалог. (The play had a funny dialogue.)
* Я хочу поговорить с тобой о твоих планах. (I want to talk to you about your plans.)
* Давайте обсудим эту проблему. (Let's discuss this problem.)
The best translation will depend on the specific context and nuance you want to convey.