A single instalment of a comic book series. Usually around 20-30 pages long and is released on a regular schedule, often monthly. Each issue tells a self-contained story that is part of a larger narrative arc that unfolds over multiple issues.
A collected edition is a publication that consists of previously published issues, compiled into a single volume or set. The collected edition can be in various formats, including hardcover, paperback, or digital.
An omnibus is a large, hardcover book that collects multiple comic book issues or entire story arcs in a single volume. These volumes are typically much larger than a regular comic book, and are often printed on high quality paper.
Comic book collectibles are items related to comic book characters, stories, and artwork that are highly valued by collectors due to their rarity, historical significance, or popularity. These collectibles can take many forms, including prints, shirts, mugs, and figurines.