Editing Engine:Console commands (section)

== Notes ==
* By default, the console can be opened by pressing the 'back tick' (`) and exited by pressing escape (Esc).
* If in a chat type box, commands can be run by starting with a forward slash (/) before the command line, to separate them from actual chat.

=== Key ===
* Global command - Used below, is short-hand for commands placed in the 'global' context.
* Global variable - Used below, is short-hand for variables placed in the 'global' context.
* Default command - Command run by default if no command or alias exists for that name in the current, or inherited, context. Examples:
** <kua>var bob fred; bob</kua> Prints 'fred'. The 'var' command is used to create a new variable, then the next statement uses the 'global' default 'varedit' command to print the value of 'bob'. 'bob' is not a command but an existing variable.
** <kua>bob james; bob</kua> Prints 'james'. In the first statement, the global default command 'varedit' finds the existing 'bob' variable in the 'global' context, and assigns 'james'. In the next statement, the default command finds and prints the value of variable 'bob'. 
** <kua>lua print(1 + 3)</kua> Prints '3'. The 'lua' context is addressable from 'global'. The default command 'lua_edit' in the 'lua' context runs the lua statement in the Lua runtime, where the 'print' is a real Lua statement, not an Engine script one.
** <kua>context lua; print(1 + 3); exit</kua> Also prints '3'. Switches to the 'lua' context. Runs the same 'lua_edit' default command, with the bare statement in the Lua runtime. Switches back to 'global' with the 'exit' command, which is not run in Lua runtime as it exists as a command in the 'lua' context.
* Context - A script or command context. Each context may have its own commands and variables and rules. Examples:
** <kua>client start</kua> Starts the client service. The 'client' context is addressable from 'global', and the client 'start' command is run. 
** <kua>context client; start; context global</kua> Also starts the client service. Switches to 'client'. Then runs the 'start' command from "inside" the 'client' context, then switches back to 'global'.
* Command - An engine module command, also referred to as a 'CCmd'.
* Variable - An engine variable, similar to 'CVars' or config vars.
* Alias - An alias or macro which is a string of script.
* Binding - key bindings to the keyboard or mouse buttons, or from other real or virtual devices.
* Associations - Module or context associations and features.
* Service - An engine messaging service. Which may be internal, local, or network for send or receive.  Some types of services offer commands that only exist while the service is running.  
* Script - May refer to the base Engine script language, which can contain elements here. Or to strings of commands for an alias, or integrated higher-level scripting like blended in-line engine script with lua, JS, or C#.
* Module - An independent static module built into the engine. Modules may create one or more command or script contexts, services or other things. If the module is not available, its commands, variables and contexts won't exist.
* Log - A text buffer that may or may not have an actual file log attached. The default console is composed of a 'log' and a basic text mode edit box.