Which of the following best describes neologism?

A. Meaningless rhythm of words. This describes word salad, a disorganized speech pattern where words are strung together without logical connection, often seen in schizophrenia or severe psychosis. B. Roundabout. This refers to circumstantial speech, where an individual provides excessive, unnecessary details before eventually arriving at the main point. This is commonly seen in mania, obsessive-compulsive disorder (OCD), or cognitive impairment. C. Made-up words. Neologisms are newly invented words or phrases that have no meaning to others but may carry personal significance to the individual. This is frequently observed in schizophrenia, psychotic disorders, or neurological conditions like aphasia. D. Repeating of another's words. This describes echolalia, a speech disturbance where a person repeats words or phrases spoken by others, often seen in autism spectrum disorder (ASD), schizophrenia, or catatonia.