The icl is about sets and maps and a useful implementation of sets and maps using intervals. In the documentation of the icl the different set and map types are grouped in various ways. In order to distinguish those groups we use a naming convention.

Names of concepts start with a capital letter. So Set and Map stand for the concept of a set and a map as defined in the icl. When we talk about Sets and Maps though, most of the time we do not not talk about the concepts themselves but the set of types that implement those concepts in the icl. The main groups, icl containers can be divided in, are summarized in the next table: