Answer:
The correct answer for the given question is "source code"
Explanation:
When you writing a code in any programming language that code is known as source code.The source code is also known as primary code, when source code is compiles it produce runtime code.
The source code is created by the compiler it can be easily understood by the human being.
for example in c language we write a source code after compilation it produces object code .
Sense Eddie clicked the undo command he wouldn't want to click it again, if he does more words will leave. Sense he did not copy the word, he cannot paste it. And if he would press Undo twice, then that would take him back further, so what he wants to do is click the redo command.
Hope this helps.
<u><em>Marcy~</em></u>