verb

• (intransitive) To communicate, usually by means of speech.
  "Let's sit down and talk."
• (transitive, informal) To discuss; to talk about.
  "They sat down to talk business."
• (transitive) To speak (a certain language).
  "We talk French sometimes."
• (transitive, informal, chiefly used in progressive tenses) Used to emphasise the importance, size, complexity etc. of the thing mentioned.
  "Are you interested in the job? They're talking big money."

noun

• (uncountable) Gossip; rumour.
  "There's been talk lately about the two of them."
• (preceded by the; often qualified by a following of) A major topic of social discussion.
  "She is the talk of the day."
• (preceded by the) A customary conversation by parent(s) or guardian(s) with their (often teenage) child about a reality of life; in particular:
  "Have you had the talk with Jay yet? I found a condom in his room."
• (preceded by the) A customary conversation by parent(s) or guardian(s) with their (often teenage) child about a reality of life; in particular:
  "Later, I made sure to have the talk with my son about being a black boy, […]"