(knows as „Lefkas“) - (Greek λευκος - bright, shiny, white) - it the name of the priming in icon-painting, which is a chalky powder, and which is mixed with the animal or fish glue. It is put on several layers of specially prepared board. Once dry, it is grinded.

Thinnest sheets of gold or silver for gilding (gilding works).

Scratched drawing. In-depth line, describing the outline of the picture,which are scratched on the surface of the priming (plaster or lefkas).