module is the name of a package (namespace) that is kept in a file derived from its name. (a package/namespace called Some::Thing kept in a file called Some/Thing.pm is called a module. Unfortunately when we say module we often refer to a whole distribution.
Company officer positions are senior executive-level in nature in most companies and include chief financial officers and, sometimes, chief accounting officers. CFOs and CAOs are also frequently referred to as vice presidents. So, a CFO might be called a vice president of finance and a CAO a vice president of accounting.
The current Chief Officer is Ed Cassidy, elected on January 7, 2014. The Chief Administrative Officer (CAO) position was authorized by H. Res. 6 of the 104th Congress. The first Chief Officer was Leonard P. Wishart, appointed on October 23, 1992. The current Chief Officer is Ed Cassidy, elected on January 7, 2014.