Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor recognizes Weng-Chiang's time cabinet
S14E23
·
The Talons of Weng-Chiang Part 3
To
Doctor maps sewer route to Weng-Chiang’s lair
S14E23
·
The Talons of Weng-Chiang Part 3
Why These Connect
The narrative assertion
"The Doctor’s identification of the time cabinet as a critical threat drives his plan to trace the fortress through the sewer system, creating the infrastructure for his later confrontation."
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.