They are the parameters by which you tell us what kind Jobs you are looking for.
Job Category – It is area of your choice in which you are searching jobs e.g. Accounts, Sales, HR, and Back Office etc. You can pick one Job Category and Worknrby will show you jobs of that field.
Sub Job Category – It is part of Job Category which helps you to find more relevant jobs.
Skills : Skills tell your knowledge part. You can add maximum 8 Skills from given option at a time. It is important section you should select your skills very carefully.