| A | B |
|---|
| argument | a value that you pass to an object by way of a message |
| concatenation | the process of combining two strings a and b into a single string ab |
| defining a variable | the process of allocating program memory for a variable and associating a name with the storage location. The amount of memory allocated is based on the variable's data type. |
| function | a message sent to an object that returns a value |
| initial value | data that is initially stored in a variable |
| local variable | variable that can only be accessed within a method |
| method variable | a variable that is local to a method |
| object variable | storage container for an object property |
| parameter | variable that stores an argument, so that the receiver of a message can access it |
| placeholder | value used as a temporary argument |
| property variable | container that stores the property of an object |
| return statement | a line in a function that sends a value back to the place from which the function was sent |
| synchronize movements | to correlate the movements of two objects |
| variable | a named container in which a value can be stored, retrieved, and changed |
| variable name | a name that refers to a piece of program memory allocated to a variable |
| variable type | describes the kind of value that can be stored in a variable |
| vehicle | component that is capable of moving an object |
| world function | a function-message that can be sent to the world |
