Glossary
Order Book
An order book is the live list of buy and sell orders waiting to trade on an exchange.
Plain-English meaning
Order Book is used here to describe list of bids and asks. In the daily board, the word is grouped by the role it performs rather than by spelling or market popularity.
You may encounter it in a product interface, technical document, risk report, policy paper, or market dashboard. The term is included for recognition and comparison, not as a product recommendation.
Why it belongs with Order Book Mechanics
These terms explain spread, depth, order types, and execution quality.
When solving the puzzle, compare the job this term performs with nearby cards. A correct group usually shares a function, risk type, workflow, or market structure rather than simply sharing similar wording.
Where you might see it
You might encounter this term while reading educational explainers, product documentation, risk disclosures, market dashboards, or beginner guides. Always separate vocabulary learning from financial decision-making.