You know how to juggle. Now you're showing your nephew how to do it. You tell him that it's not as hard as it seems.
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.