The term that is defined as natural repetition that appears to be unplanned or unorganized is "echolalia." Echolalia is a speech disorder characterized by the involuntary repetition of words or phrases spoken by others. It can be a common feature of autism spectrum disorders or other developmental conditions.
Irregular patterns are natural repetitions that appear to be unplanned or unorganized.
Regular pattern
parallelelism
The applicable term is assonance, which often creates rhymes.
alliteration
The term that is defined as planned as consistent repetition of design is "pattern." Patterns involve repeating elements or motifs in a predictable manner to create visual or structural coherence.
repetition
A necessary feature for a pattern is repetition or predictability. Patterns are defined by the regularity in which elements are repeated or follow a specific sequence. Without this feature, it would not be considered a pattern.
Parallelism, which means the use of identical or equivalent syntactic constructions in corresponding clauses or phrases.
Repetition is the act of repeating or restating something in order to emphasize or reinforce a message or idea. It is a common rhetorical device used in writing, speaking, and music to create emphasis, rhythm, or unity.
Trackwrestling is defined as groups of tournament managers that help promote and organize events. Trackwrestling is basic high school wrestling, but with a broader range of opponents.
rhythm