I had some difficulty myself if defining what i meant by an emotionally or fundamentally based edge so the best i could come up with for emotionally was: having superior knowledge of how other people think; exploiting their non premeditated decisions; looking at the market like a room full of monkeys who are likely to behave a certain way under certain conditions. fundamentally: superior knowledge of order flow; supply demand; exploiting periodic and predictable inefficiencies related to how money moves; economics stuff etc; looking at the market as a rather axiomatic structure where x bank always buys y amount of currency at 8:33 am.
As far as i understand TA is mainly supoused to be an articulation of the mechanics of emotions in the markets.