Twitter PRODUCER is a job title that involves creating content for the social media platform TWITTER. The term can be broken down into two parts: 'TWITTER' and 'PRODUCER'. The first part, 'TWITTER', can be represented by the crossword solution 'BIRD' (4 letters). This is because TWITTER is often associated with birds due to its logo, which features a blue BIRD. The second part, 'PRODUCER', refers to someone who creates content for the platform. Therefore, a TWITTER PRODUCER is someone who creates content for TWITTER.