The day has arrived! You had all the time heard of the Puzzling Society, however immediately you obtained a letter from their official headquarters. You tear it open rapidly, and also you nearly drop it since you are so excited. It reads:

Hello, and welcome to the distinguished Puzzling Society; this letter is your official invitation. Yes, additionally it is a puzzle (actually, what else would you count on). All of the data obligatory to unravel it’s contained both on this letter or the enclosed picture. Love and luck I want to you as you try to unravel it, and I hope that I shall see you shortly to your first assembly.

With greatest regards,
Head Puzzler

P.S. We’ll meet by the rock. Feel free to succeed in out when you have any questions. Contact me at:
puzzler@intrudingcountscasting.edu

Image:

What does the picture imply, and the place is your first assembly?