Careless means that the player has shown a lack of attention or consideration when making his challenge or that he acted without precaution: no further disciplinary sanction is needed if a foul is judged to be careless
Reckless means that the player has acted with complete disregard of the danger to, or consequences for, his opponent: a player who plays in a reckless manner shall be cautioned
Using excessive force means that the player has far exceeded the necessary use of force and is in danger of injuring his opponent: a player who uses excessive force shall be sent off
source: fifa law 12
hayo ndio maelezo ya jinsi ya kutoa adhabu uwanjani sasa kampany katolewa kwa lipi nasehemu gani katumia nguvu nyingi..