Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Visualiser Reveals Dalek Time Machine
S2E30
·
The Executioners
To
Barbara intercepts Dalek transmission
S2E30
·
The Executioners
Why These Connect
The narrative assertion
"The Visualiser is the means by which Barbara intercepts the Dalek transmission."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot—remove one and the story structure collapses.