You had a conversation with an annoying guy this morning. Now you're telling the story to a friend. You tell her about how he asked for your phone number.
The company that you work for makes expensive clothes. You're chatting with someone who you just met. You tell her about the company.
You visited your boss's house, which was nice. Now you're describing the house to your boyfriend. You tell him about one of the rooms.
You're presenting awards to your employees at a year-end party. You're introducing one of the winners, who's very helpful. You say this.
You made a traditional dish from your country and brought some for one of your coworkers. When you give it to her, you tell her how quickly she should eat it.