This ditloid is 5 = Number of Great Lakes.
5 wheels on a Land Rover
5 Rings On The Olympic Flag
5 Legs (on a) Starfish.
5 Colors On The Olympic Flag
Five things in the attic
5 Four Three Two One (Blast Off)
5 Events in the Modern Pentathlon
Fifth-Generation Language
The answer to the Ditloid "5 GR in the TD of C" is "5 Gold Rings in the Twelve Days of Christmas." This phrase refers to the popular Christmas carol, where "five gold rings" is one of the gifts mentioned.
What is the answer to ditloid esh1co
5 Four Three Two One