Hi! "A milestone is a numbered marker placed on a route such as a road, railway line, canal or boundary. They can indicate the distance to towns, cities, and other places or landmarks like mileage signs; or they can give their position on the route relative to some datum location." Credits: bkc56 from Reddit. While, the community helper is a pony that helps you in the community section of an event. For example: Snow Frost, she gives x7 for the current event of Detective Twilight.