It's a resemblence of common representation of atoms, but with sharp edges to add to that idea of moviment; It can be seen algo as a STAR which can also be associated with atom or energy; lastly there's also the letter "A" implied!

In the middle of the image, on the gray area you can see the very first iteration I did, which has a 45 degree rotation, making it behave more abstractly like a cross and alluding more to the STAR.