This documentation is not using the current rendering mechanism and will be deleted by December 31st, 2020. The extension maintainer should switch to the new system. Details on how to use the rendering mechanism can be found here.
SEO - Search Engine Optimisation - with SEO Dynamic Tag: it generates the title tag, the canonical tag and the meta tags author, keywords and description. It is possible to concatenate up to three fields from the database. In the figure above the title and the subtitle of a news (here: Organiser) is concatenated. It is configured by the user-interface. See section Backend below.
The figure above is a sample for the concatenation of four database fields: title, date and time, organiser and location. This is possible, if you edit TypoScript directly. The sample above is generated by the extension Organiser (org). Integrators have to do nearby nothing, because the Organiser has a ready-to-use template.