1. A computer-implemented method, comprising: receiving, by a computer device, a selection of a primary application on the computer device; retrieving, by the computer device, information regarding a relationship between the and a resource of the computer device; calculating, by the computer device, a thickness value for the relationship, wherein the thickness value represents at least one parameter of interest to a user; displaying, by the computer device, icons representing the selected primary application and the resource of the computer device; displaying, by the computer device, at least one relationship line extending between the selected primary application and the resource of the computer device, wherein the at least one relationship line has a line weight based on the thickness value; wherein the resource of the computer device is selected from at least one of the group consisting of: a power source, a memory, a touch screen, a central processing unit and system devices of the computer device.