| A | B |
| A step-by-step set of rules and instructions that solve problems | Algorithms |
| A collection that stores an ordered list of items | Array |
| (true or false): A type that stores a value of either true or false. | Bool |
| Syntax used in Swift coding | camelCase |
| A symbol such as ==, >, <, <=, >=, used to compare two values. | Comparison Operator |
| A named container that stores a value. The value cannot change over time. | Constant |
| The number that represents the position of an item in an array. | Index |
| The act of creating a new instance of a type, which includes setting initial values for any properties of the type. | Initialization |
| A type that stores an integer - a number that has no decimal, such as 10 or -42. | Int |
| The behaviors of a Type | Methods |
| Extra information that gets passed to a function. | Parameter |
| The features of a Type | Property |
| A type that stores a series for characters, such as “Hello, world”. | String |
| A named grouping of properties (the features) and methods (the behaviors) of a kind of data | Type |
| A named container that stores a value. The value can change over time. | Variable |