The four types of redundancy in linguistics are syntactic redundancy, lexical redundancy, morphological redundancy, and phonological redundancy. These redundancies help convey meaning, aid in communication, and ensure clarity in language use.

redundancy in a sentence would be unnecessary words to explain a given point

Resolution, redundancy and rising action are language arts words. Additional language arts words include rhythm and refrain.

Redundancy is the excessive repetition of something.

A common example used by teachers/comic strip writers is the "Redundant Department of Redundancy"

In the field of computers or electronics redundancy refers to having multiple components with the same function so that one or more can fail and the entire system can continue to function.

coding redundancy

interpixel redundancy

psycovisual redundancy