Valli's longing to ride the bus -- showcases her yearning to break free from the confines of her everyday life and explore the unknown.
The familiar surroundings of her street represent safety and predictability, while the bus symbolises adventure and opportunity.
This contrast creates a sense of tension as Valli grapples with her desire to step into the unfamiliar world -- the narrative effectively conveys the conflicting emotions associated with leaving behind the known for the excitement of the unknown.