Holy Zohar text. Daily Zohar -196.

Tikkun 18 Continue

The 18 blessings of the silent prayer are built from first three to take us to the upper level. The third blessing is like standing in front of the Holy Gate and the congregation recite it together.

The first and the last three blessings are always the same, including Shabbat and Holidays.
The following 12 blessings are the connection to the light. The last three draw down the light.
The last three include thanks and appreciation in order to close the vessel to be able to hold the light.
It is important to do this prayer standing with the understanding of the process. That puts our consciousness to an elevated state.