Pattern (noun)

1. A repeated decorative design.
2. A regular and intelligible form or sequence discernible in certain actions or situations.
3. An arrangement of features, data, etc., that allows the discovery of a regularity, underlying structure, or composition.

Origin:

Late middle english: from old french patron "pattern, model", from latin patronus "protector, sponsor".

Examples:

1. The curtains have a lovely floral pattern.
2. A pattern of unhelpful behavior emerged.
3. The researchers discovered a pattern in the genetic code.
4. The walls were painted in a geometric pattern.
5. The team found a pattern of corruption within the government.