The confusion beginners have is that 0 usually indicates a lack of something, while an array starting at 0 does have content. People don't start counting a hear

The confusion beginners have is that 0 usually indicates a lack of something, while an array starting at 0 does have content. People don't start counting a heard of cattle with 0, since 0 would indicate the absence of any cows. However array x[0] can contain a value.