- Symbol Stones: Numerous symbol stones have been uncovered across Scotland, featuring a combination of abstract symbols and animals. The exact nature of these symbols remains largely unsolved, leading to differing interpretations.
- Inscription Interpretation: Some scholars propose that these symbols could convey a form of proto-writing, while others suggest they may be purely artistic expressions without linguistic significance.
3. Limited Vocabulary and Documentation
Despite the Picts' significant historical presence, documentation of the Pictish language is exceptionally sparse. Most of what we know is derived from a few surviving inscriptions and references in early historical texts.