A scatter that triggers a bonus but, unlike a standard scatter, must align on a payline instead of appearing anywhere.

A feature where two or more types of scatters exist, each with a different method of triggering a bonus or a different level of reward.

A scatter that pays an instant prize just by appearing scattered, without triggering a bonus.

A symbol that faithfully performs only the basic scatter function.

A scatter that locks in place for several spins after appearing, to help trigger the bonus.