MHB What Do These Numbers Represent?

[Waldo]

Puzzle: 5.2.7.7 | 3.2 | 7.2.4 | {7}.7.2 hint #1) Irrational hint #2) 2 to 101

Can anybody help me figure this out? There are 2 hints. I am at a loss.

 

[topsquark]

Puzzle: 5.2.7.7 | 3.2 | 7.2.4 | {7}.7.2 hint #1) Irrational hint #2) 2 to 101

Can anybody help me figure this out? There are 2 hints. I am at a loss.

What does all this mean? 5.2.7.7 | 3.2 | 7.2.4 | {7}.7.2

-Dan