The present invention relates generally to compounds providing antibacterial therapeutic agents and preparations, and related methods of using and making antibacterial compounds. A plurality of through holes is defined in the first sidewall and the internal sidewall respectively. The adapter for one embodiment fulfills its fixing function by use of a bistable snap-on process and is configured in such a way that no tool is required for the manual mounting or dismounting process. The fastener may also include at least two corrugations formed on the plate-like member, extending in a generally longitudinal direction. Upon selection or creation of a stationery template, the user is presented with a formatted electronic message and can add, remove, or edit text content or replace media content. The system further comprises a toning engine for toning articles accurately, based on words, attributes and categories of the article, and optionally based on the author of the article, if applicable.