Train of thought: in the DNA strand, the letters of "THINK TRACK" replace the usual repeated sets of T, A, C and G (the programming code for all living things) resulting in a mutation in the form of a train track. This symbolism aims to suggest that DB Lab has: a timeless understanding of transportation networks in it's very genes.; a complete understanding of this down to the smallest atom; and the innate ability to evolve this understanding, and therefore practical application, perpetually.