Definition Health, uses the ‘D’s to create the medical cross with the ‘H’ for health being at the heart of it. The two sub-brands for the apps are taken from elements of the parent logo, LifeBox takes the ‘L’ and ‘B’ to create a heart representing health, care and wellbeing; Secure Virtual Clinic takes the same shape but turned 45º to create the heart as a padlock representing security and trust.