Catalog – a complete list of items, typically one in alphabetical or other systematic order (LEXICO Dictionary 2019).
Catalog – “retrieval tool; an organized compilation of bibliographic metadata or an organized set of surrogate records that represent the holdings of a particular collection and/or resources to which access may be gained …” (Joudrey and Taylor 2018, 625).
Library catalog – descriptive cataloging that applies a standardized set of rules, “currently RDA: Resource Description and Access, to record the title, authorship, and publication data for a work, describe the physical extent of the work, add bibliographic notes as necessary, and add access points for persons or entities associated with the creation of the work” (ALA 2019).