As the topic implies the usefulness of Linodef have its source in the cooperation of three elements:
  1. The filter itself consisting of linodef.module, includes/linodef-filter.inc and includes/linodef-filter-tips.inc.
  2. The editorbuttons-api which functions are in the file includes/linodef-editorbuttons-api.inc.
  3. The editor submodules that can be found in the "modules" subfolder.