The future is more female than male-oriented.

Sekhmet represents a new kind of humanity.

It could be a shoe. It doesn't really matter. The key just so happens to be in this shape. I could care less for what the symbols look like or what peoples illustrated them first and for what purpose. None of that matters.

For the eating, so that your body won't be so busy and so that you will have a kind of anchor which will increase the chances that a bridge is built.

I hope this answers your questions.