A more thorough explanation:

Definition: Normal is an adjective that describes something that is regular, natural, or according to an established rule or norm.

1. Something that is normal follows a regular pattern or occurs naturally. For example, it is normal to feel nervous before a big test or presentation.
2. Normal can also refer to something that follows an established rule or norm. For instance, it is not normal to deface statues because it goes against societal norms and values.
3. Normal can also be used to describe something that sets a standard or norm. For example, a normal curriculum was established in the schools to ensure that students receive a consistent education.

Overall, normal refers to something that is typical, expected, or standard.