Entrepreneurial Opportunity — Entrepreneurship STD 12 Commerce — Question

Vipin Taneja has completed his Master's degree in Computer Science from IIT, Delhi. He thought of an attractive economic idea which could be implemented to create a business, earn profits and ensure further growth. The idea was to link the different restaurants with the Indian railway network so that while travelling, the railway passengers can order food as per their liking.
List any two elements of the concept discussed above.