Final answer:
In Judith Ortiz Cofer's "The Latin Deli," customers share a common longing for their heritage and cultural identity, which they find in the familiar foods of the deli.
Step-by-step explanation:
The customers in Judith Ortiz Cofer's "The Latin Deli" all have in common a sense of searching for cultural connection and a piece of their heritage through the food they find in the deli. They are united by a nostalgic longing for their respective homelands and the comfort that familiar foods provide, which acts as a way to maintain their cultural identities in a foreign landscape. This theme is common throughout the narrative, showcasing food as a unifying element of cultural identity and a tangible link to memories and traditions.