WORD文档的问题

看到关于WORD文档方面的东西 定义了好多的东西.这些东西是特定的吗???都代表什么?????
ConfirmConversions,ReadOnly, AddToRecentFiles,PasswordDocument,
PasswordTemplate,Revert,WritePasswordDocument,WritePasswordTemplate,
format,Encoding,Visible:OleVariant;


ConfirmConversions:=false;
ReadOnly:=false;
AddToRecentFiles:=false;
PasswordDocument:=EmptyParam;
WritePasswordDocument:=EmptyParam;
ConfirmConversions:=false;
ReadOnly:=false;
AddToRecentFiles:=false;
PasswordDocument:='rj#js@';
PasswordTemplate:=EmptyParam;
Revert:=EmptyParam;
WritePasswordDocument:='rj#js@';
WritePasswordTemplate:=EmptyParam;
format:=EmptyParam;
Encoding:=EmptyParam;
Visible:=EmptyParam;