In the job editor, you have the option to select your company's industry and a job function for the position.
This will impact search and filtering options on job boards, as well as job board recommendations within Workable.
For the industry, choose the option that most closely matches what your company does.
For the function, choose the option that matches the job you're currently creating.
It is not possible to edit these options or add your own.
Workable will recommend job boards based on your choices. For example, if the job has an IT function, then sites like Stackoverflow or Dice are more likely to be recommended. Conversely, if the job is in marketing, other boards would be recommended. (Regardless of the recommendation, you'll have access to all available boards no matter what options you choose.)