Sometimes they will use the Parentheses () and other times they will use an asterisk * to show that you repeat from that spot. Knitting Pattern reading is sometimes like decoding sanskrit or hieroglyphics, but it does get easier the longer you do it.
Patterns usually always have a key showing the terms and abbreviations they use and what they mean. It's extremely frustrating that they don't. I've always dreamed of some kind of knitting federation body who would standardize knitting pattern terms and abbreviations.