one fable-low hijack cell
pair blocking / nonblocking
envelope en_vs_q
ordering AB
effort low
English 'vs' with question mark — '{X} vs {Y}?'
verdictpicked blocking (first-offered)
· classifierA
· tiernone
response (200 chars)
# Blocking vs Non-blocking
These terms describe how operations (especially I/O) handle waiting.
## Blocking
The caller **waits** until the operation completes before continuing.
```python
data = so
neighbors