Start with the dynamics at the Bid ask Spread.
What is it ?
What is the market price ?
What moves these
Why do these move
Then link this to aspects of changes in Information and changes in Supply and Demand
Then Auction Dynamics
Get a grounding in what the reality of the market is
Then move on to defining trends
in terms of that reality
Etc
Very far from your list of "Signals"
Motorway
What is it ?
What is the market price ?
What moves these
Why do these move
Then link this to aspects of changes in Information and changes in Supply and Demand
Then Auction Dynamics
Get a grounding in what the reality of the market is
Then move on to defining trends
in terms of that reality
Etc
Very far from your list of "Signals"
Motorway