Maintain the DRY! principle (Do not repeat yourself). With master pages document aliasing , embed aliased sections within the same or from outside the document. Works with any human readable text file and binary. No new syntax to learn. Embedded executables allow code to run when text files are opened. Introducing the O_Type pronounced Sphere Type. Implemented both as a command line tool and a file system FS for transparent browsing of O_Type folders as assembled files. Understanding O_Types is similar to comprehending Object Orientation, you have to abstract away from a file to the contents of a folder, both with the same file/folder name and extension.