Netzach is the the realm of feeling, of sentiment, and even sentimentality. It also means clarity, brightness, sincerity, and truth. It is the home of creative imagination. How we handle our emotions is how we determine if we will evolve or devolve. Netzach is also called "Victory," referring to its attributes of perseverence, determination, and endurance.
Netzach is associated with the man who talked with God. When the Shechina, the Holy Light (the feminine aspect of God), descended onto Mount Sinai, the Eternal touched the Now; the people saw the Shofar (Ram's Horn) blasts, and heard the flames. The mixing of seeing and hearing points to deeper communication.
In the archetypal conversation, Netzach is the leader, the dominant. Netzach directs the conversation.
Our seeing can be controlled; we can shut our eyes, avert them, or focus them for close inspection. But we hear sounds whether we want to or not. The ability to focus hearing - to listen carefully, a trait everyone could seek to develop.
Netzach is associated with physical ailments such as kidney disorders.
The colour of Netzach is Emerald Green. The Yetziratic Text calls it the sphere of 'Occult Intelligence'; occult because it is hidden intelligence compared with the 'open' resplendent intelligence of Hod of Mercury (the Fox). The Vision of Netzach is the 'vision of triumphant beauty'. It is usually associated with the highest forms of art in any form.
A symbol traditionally associated with Netzach is the Chalice; magick cup or GRAIL.