| A | B |
| List | an ordered collection of elements |
| Element | an individual value in a list that is assigned a unique index |
| Index | a common method for referencing the elements in a list or string using numbers |
| Iteration | a repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met. |
| Infinite loop | occurs when the ending condition will never evaluate to true. |
| Traversal | the process of accessing each item in a list one at a time. |
| Data abstraction | manage complexity in programs by giving a collection of data a name without referencing the specific details of the representation. |