[quote=@Mammalia]
Elkepzel Vili: Atomic and Molecular Structure, 16
Barastyr: Friction, 21
Dagon: Wavelength and Wave Frequency, 8
Aphrodite: Reflection, 24
[/quote]

I replied to you.

[quote=@Zeal]
<Snipped quote by Galaxy Raider>

What do the numbers mean?!
[/quote]

Just another way of identifying them. You can choose anything between 001 and 032.