A commercial use is one primarily intended for commercial advantage or monetary compensation.   Examples of commercial advantages – Promoting a company, brand, product, service or event on a social front i.e. YouTube, Facebook, Twitter, Instagram, etc which may benefit an individual or company resulting in potential clients or customers.   Examples of monetary compensation –  Payment received as part of a company, organisation, sponsor, entity or individual for working on or taking part of a project. Fundraising, YouTube monetisation, Ad Revenue, etc.