The lacuna model is a tool for unlocking culture differences or missing "gaps" in text (in the further meaning). The lacuna model was established as a theory by Jurij Sorokin and Irina Markovina (Russia), further developed by Astrid Ertelt-Vieth and Hartmut Schröder (Germany) and practical research tested in ethnopsycholinguistics (Igor Panasiuk 2000 and 2005), Russian studies (Vladimir Zhelvis 2002; Astrid Ertelt-Vieth 1987; 2005), American studies (Iosif Sternin and Marina Sternina 2001), Arabic studies (Sherine Elsayed 2005), Germanics studies (Elena Denisova-Schmidt 2005), Finnish studies (Pirkko Muikku-Werner 2005), literature studies (Irina Markovina 2005), foreign language acquisition (Natalia Turunen 2005), film studies (Hannah Sard 2005), journalism (B. Dellinger 1995; Myles Ludwi