This section considers the textology of "The Tale of Igor's Campaign", the issue of its "unclarities", conjectures and recent lexicographical discoveries that provide a more accurate understanding of the language of this old text (new meanings of the words "бебрянъ", "зегзица" etc.). The issue of the historical commentary to "The Tale" is also considered here. The ideas expressed in the text are discussed as well as its relation to the late 12th century political realities. The dating issue is also discussed.