My cousin's roomate sent a message from a holding cell about a "trafficking" word the officer used

https://holdenxxai175.cavandoragh.org/understanding-over-80mg-charges-in-toronto-from-breath-test-to-court-date

My cousin's roomate sent a message from a holding cell about a "trafficking" word the officer used, I froze because none of us knew how different that is from simple possession.