 Most libraries in macOS, however, consist of "frameworks", placed inside special directories called "bundles" which wrap the library's required files and metadata.For example, a framework called codice_16 would be implemented in a bundle called codice_17, with codice_18 being either the dynamically linked library file or being a symlink to the dynamically linked library file in codice_19.Dynamic-link libraries usually have the suffix codice_20, although other file name extensions may identify specific-purpose dynamically linked libraries, e.g.