Travel history

Add each person on the application, add every trip once and tick who travelled, then download it as a PDF and send it to your agent.

List countries visited for under 12 months in the last 10 years (since turning 16), with the reason.
List countries lived in for 12 months or more in the last 10 years, with the last permanent address.

Start with the primary applicant

Add the main visa applicant first, then any sub-applicants and the trips they took.