Writing all these ideas down speeds your process because most people can’t write about an idea and simultaneously think about a different idea.
Writing increases your concentration power.
Be as specific as you can.
The more details you can get, the easier you can concentrate and the faster you’ll manifest what you desire.
For example, if you want to manifest a car, describe it in every way you can.
Describe the color, the brand, the model, the feel of the steering wheel, that great new-car smell, the sound of the stereo, the reaction from your friends then they see you pull up in your new car, the feeling you get as you drive down the street.
The more ways you can describe your desire, the easier it becomes to concentrate and make it so.