You may be referring to functions, of which Excel has many types of.
Menu
Context menu
A submenu command
Most Excel 2007 commands are on the menu ribbon; far too many to list here. See related links for how the Excel 2007 ribbon compares to Excel 2003 commands.The ribbon at the top of Excel 2007 and higher is a list of menu options.
Ribbon command include almost everything that you might want to do with Excel, such as setting the font and controlling the appearance of the font. Ribbon commands also let you create charts and graphs, import and export data, format cells, and more.
sub-menu
DNS commands, or Domain Name System commands, can be confusing. However, the website 'alliedtelesis' provides a list of DNS commands that are easy to download in a handy PDF format.
shortcut menu
a list of additional commands is a sub-menu
The menu bar contains a list of commands.
It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.It calculates an average from a database list in Excel, using specified criteria.
there is no list persay but help in the consel (press ~ key) should give you commands but for a list of commands and what they do just google css consel commands