The phpwcms support forum will help to find answers to your questions. The small but strong community is here since more than 10 years.
https://forum.phpwcms.org/
http://www.phpwcms-docu.de/creating_articles.phtml wrote:summary: (optional): A summary of the article. This appears in article lists (e.g. the search results) and as an introduction to the article in the full article presentation. The look of this field varies greatly depending on the type of browser being used, and unfortunately does not function properly in all browsers. There is a toolbar at the top of this field that is similar to those found in common word-processors, and it works the same way. For instance, you can click on the “B” button in order to initiate bold-face text.
