NewArguments create new instance of app.Arguments.

NewCommand create new command.

NewCommands create new instance of app.Commands.

NewTerminalManager create new instance of app.TerminalManager.

Argument structure implements app.TerminalArgument interface.

Arguments is structure implements app.Arguments.

Command implements app.Command.

Commands is interface represent terminal data definition.

TerminalManager is implements app.TerminalManager.