I think it is a sort of a game where you will be given few hints to predict the name of an object or something similar for that matter. For example, let say I

I think it is a sort of a game where you will be given few hints to predict the name of an object or something similar for that matter. For example, let say I will show you a pic of very small 'N' and will ask you to predict the object that it represents. The possible answer can be micron i.e. Micro N .