Final answer:
In computer programming, the permission for reverse movements refers to the ability of a program or system to move backwards through data or code. According to Rule 6.4.1 in programming, reverse movements are allowed for certain data structures such as linked lists or arrays.
Step-by-step explanation:
In computer programming, the permission for reverse movements refers to the ability of a program or system to move backwards through data or code. According to Rule 6.4.1 in programming, reverse movements are allowed for certain data structures such as linked lists or arrays. This means that programmers can access previous elements in the data structure by using specific techniques or functions.