põhiallik
Põhiallik is an Estonian term that translates to "primary source" in English. In academic and research contexts, a primary source is a document, artifact, or other piece of information that was created at the time under study or by someone with direct personal knowledge of the events. Primary sources offer a firsthand account or direct evidence concerning a topic. Examples include diaries, letters, original research, government documents, photographs, and interviews.
The value of põhiallik lies in its immediacy and authenticity. It provides raw data and direct perspectives
In contrast to primary sources, secondary sources are created later by someone who did not experience or