For insurance purposes, a map is used to locate the geographical location of a risk and assess its character. They are also used to track how many policies have been written in a certain area, thereby avoiding a catastrophic loss.

A junior underwriter charged with tracking the insurer’s exposure in a given area. This is done by entering data, such as property covered and the policy number, on maps.

In Fire Insurance, maps are used by underwriters to locate the character of the risk, especially in large cities. Notification on the maps indicate the amount of liability carried on a particular risk in a certain area.