The document analyzes the language variety used by Kaledin Siadari in different social domains and contexts. It shows that Kaledin uses Batak at a low level in home/family settings and a high level for traditional ceremonies/society. Indonesia is used at a low level for restaurants/friendship, primary school/education, and markets/society. Indonesia is used at a high level for university/education and offices/work. Tables further break down the domains by addressee, setting, topic, and language/code.