Page 180 - Scratch Programming Playground

recall that you can use the value in a variable in its bubble-
shaped block. the list’s bubble-shaped blocks are similar but
require you to specify a position so the bubble-shaped block
knows which value in the list it should get. the scripts on the
left and right sides both make the cat say “hello!”, but the code
that uses a list (left) must also specify the position of the value
to use:

List Variable

154 Chapter 7