Final answer:
Granny's question refers to the customary practice of welcoming new neighbors in a community, highlighting the protocol and social traditions of neighborliness.
Step-by-step explanation:
Granny is asking about the protocol for welcoming new neighbors. Her question is nostalgic and reflects a likely customary practice to introduce oneself and offer a kind greeting or assistance to newcomers in their community. The inquiry speaks to the traditions of hospitality and neighborly kindness that are often cherished in tight-knit communities.
It underscores the importance of communication, relationships, and the adherence to social norms that provide a sense of belonging and community support, as illustrated in several excerpts showcasing interactions in different settings, where familiarity and polite greetings play a significant role in maintaining social cohesion.