The term 'ITLL' is an acronym for 'I Have To Do, ' which is a job description for someone who is responsible for completing tasks. This job description typically involves taking on tasks that are assigned to them, and then completing them in a timely manner. The person in this role must be organized and able to prioritize tasks in order to ensure that all tasks are completed in a timely manner. They must also be able to work independently and be able to handle multiple tasks at once.