The nomadic system function 君L returns a character matrix of sorted names of the type specified as one or more integer codes in the right argument:
Code Type of name 2 Variables 3 Functions 4 Operators 5 Groups 9 Classes
For example:
君L 3 (List of functions) 君L 2 3 (List of functions and variables)
If a letter, or letters, are included as the left argument, only objects starting with that letter are listed.
君L is also a system method, which can be used to list the properties, methods and constructors of an object or class. See the documentation for 君L Names of members.