Detailed annotation guidelines are here.

Short reference:

• non: tweet is not offensive
• prof: tweet is offensive but not targeted
• grp: offensive tweet targets a group based on ethnicity, race, religion, political affiliation, etc.
• ind: offensive tweet targets one or more individuals
• oth: offensive tweet is targeted but grp or ind does not apply (e.g., an event or organization)
• X: a difficult decision, or, if used alone, a tweet with no clear language (non-Turkish tweets and spams with keywords)