(1) “Competency evaluation” means a court-ordered examination of a juvenile directed to developing information relevant to a determination of his or her competency to proceed at a particular stage of a court proceeding involving a juvenile who is the subject of a delinquency petition.

    (2) “Competency hearing” means a hearing to determine whether a juvenile is competent to proceed.

    (3) “Incompetent to proceed” means that a juvenile, based on age-appropriate norms, lacks a reasonable degree of rational and factual understanding of the proceeding or is unable to do 1 or more of the following:

    (a) Consult with and assist his or her attorney in preparing his or her defense in a meaningful manner.

    (b) Sufficiently understand the charges against him or her.

    (4) “Juvenile” means a person who is less than 18 years of age who is the subject of a delinquency petition.