A reward is something you get given if you do something well. Rewards are often given to encourage people to do something good.
People often offer rewards for information or for the return of something, for example they might post offering a reward for the return of a lost pet.
The opposite of reward is punishment.
A rule is something that tells you how you are expected to behave. Rules can be written down, or just something you are expected to know. Some rules are enforced by punishments. A set of rules that affects everyone in a large area is called the law.
Sis forSentence (law)
A sentence is something someone has said you must do as a punishment. The woman in the picture has been sentenced to some time in jail.
A vandal is someone who breaks something that doesn't belong to them, for no reason. People who graffiti are called vandals. The picture is of a vandalised bus stop.