The delivery address information for the order will be stored in the delivery address subdocument with street, city, state, zipcode, and country fields.
mern-marketplace/server/models/order.model.js:
delivery_address: { street: {type: String, required: 'Street is required'}, city: {type: String, required: 'City is required'}, state: {type: String}, zipcode: {type: String, required: 'Zip Code is required'}, country: {type: String, required: 'Country is required'} },