What is "blank ends"

Usage examples of "blank ends".

The intelligence is often oddly low, with unaccountable blank ends, unexpected gaps.

So many blank ends of meaning in her past reached out now and linked.

We crossed the Chiswick and Hammersmith fly-overs and were into the area where the dual carriageway has slashed like a sword through residential suburbs, the scars showing in the blank ends of houses, in the dead ends of streets abruptly severed.