Perhaps the most successful way we've been able to use light to transfer information is fiber optics. ... Through rapid changes in the light, you can send highly complex signals down the cable. These are most often used either for high speed internet connections, or for sending sound signals to home theater systems.
The chief symbol in the passage is the bedroom
B bit
Because there was no one to set rule to the peoples, and because of this, everyone possessed the same amount of skill, and women and men were treated equally