Md. Code, Public Safety § 13A–201

(a) In this subtitle the following words have the meanings indicated.

(b) “Apprehend” means to take a person into custody.

(c) “Arrest” means the restraint of a person by an order, not imposed as a punishment for an offense, directing the person to remain within certain specified limits.

(d) “Confinement” means the physical restraint of a person.