"Abandonment" means, but is not limited to, the failure of a parent or legal guardian to maintain a reasonable degree of interest, concern, or responsibility for the welfare of his or her minor child or ward. "Abandonment" includes the definition of "dependency" provided in Section 2-4.
"Abuse" has the meaning provided in Section 2-3.
"Neglect" has the meaning provided in Section 2-3.
705 ILCS 405/1-4.3