In this chapter:
(1) "Child" means a person who is 12 years of age or older and younger than 19 years of age.
(2) "Juvenile court" means a court designated under Section 51.04 to exercise jurisdiction over proceedings under Title 3.
(3) "Qualified telephone interpreter" means a telephone service that employs licensed court interpreters, as defined by Section 157.001, Government Code.
(4) "Truancy court" means a court designated under Section 65.004 to exercise jurisdiction over cases involving allegations of truant conduct.