'To write in the third person' means to use nouns or the pronouns 'he,' 'she,' 'it,' or 'they.' It is common in business writing. A third-person narrative contrasts with a first-person narrative, which is a story told from a personal perspective using the pronoun 'I' (and sometimes 'we'). In other words, the story is not told from a personal perspective. A third-person narrative is a story told using the pronouns 'he,' 'she,' 'it,' or 'they' or using nouns. 'Third person' most commonly appears in the phrases 'third-person narrative,' 'to write in the third person,' and 'third-party (or -person) insurance.' Whenever you use a noun (as opposed to pronoun), it is in the third person. The term 'third person' refers to someone else, i.e., not the writer or a group including the writer ('I,' 'me,' 'we,' 'us') or the writer's audience ('you').