The tectogrammatical level is the highest ('underlying') level of annotation. It has been characterized in the publications on the Functional Generative Description. A tectogrammatical sentence representation prototypically has the same structure as the analytical representation; however, in specific cases some nodes may be eliminated, some added, so that the tectogrammatical structure of a sentence can differ from that at the analytical level. From the technical point of view the tectogrammatical level is being specified elsewhere and the work at "manual" annotation is supposed to be continued.
No volume objective has been set as an aim here. The first experimental sample is supposed to be compiled of a size of about 1000 sentences.