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I can't read so good. Can somebody tell me what this means?

Rule 404. Character Evidence; Crimes or Other Acts

(a) Character Evidence.

(1) Prohibited Uses. Evidence of a person’s character or character trait is not admissible to prove that on a particular occasion the person acted in accordance with the character or trait.

(2) Exceptions for a Defendant or Victim in a Criminal Case. The following exceptions apply in a criminal case:
(A) a defendant may offer evidence of the defendant’s pertinent trait, and if the evidence is admitted, the prosecutor may offer evidence to rebut it;
(B) subject to the limitations in Rule 412, a defendant may offer evidence of an alleged victim’s pertinent trait, and if the evidence is admitted, the prosecutor may:
(i) offer evidence to rebut it; and
(ii) offer evidence of the defendant’s same trait; and
(C) in a homicide case, the prosecutor may offer evidence of the alleged victim’s trait of peacefulness to rebut evidence that the victim was the first aggressor.

(3) Exceptions for a Witness. Evidence of a witness’s character may be admitted under Rules 607, 608, and 609.

(b) Crimes, Wrongs, or Other Acts.

(1) Prohibited Uses. Evidence of a crime, wrong, or other act is not admissible to prove a person’s character in order to show that on a particular occasion the person acted in accordance with the character.

(2) Permitted Uses; Notice in a Criminal Case. This evidence may be admissible for another purpose, such as proving motive, opportunity, intent, preparation, plan, knowledge, identity, absence of mistake, or lack of accident. On request by a defendant in a criminal case, the prosecutor must:
(A) provide reasonable notice of the general nature of any such evidence that the prosecutor intends to offer at trial; and
(B) do so before trial — or during trial if the court, for good cause, excuses lack of pretrial notice.