In simple terms, a Collector is a person who collects things of a specified type, professionally or as a hobby. In SAAACA terms, a collector is a person with an interest in the collection and preservation of firearms, ammunition and related items, and who focuses on specific fields of interest, with one or more themes within the field of interest. The regulations of the Act give guidelines on collectability value. This can include Historic, Heritage, Technology and Science, Culture, Educational, Artistic and other such themes.