It is the first panel you can see when you open After Effect. Various values can be adjusted within this panel before starting a new project.
It is the standard value that comes with the program which will be set Value for general work within the program, there will be an appropriate Preset. Ready to use.
The aspect ratio of the image. Simply put, the size of the image consists of width
(horizontal) : heigh (ventical) or as we may familiar with the form of 3:2 / 4:3 / 16:9
by After effect, we can choose from the preset or can set the number value in the box of width and height as required.
It’s a number of image per second or everyone know by “Frame per sec”
For Example, frame rate 29.97 is 29.97 image per second 1 second. The higher the frame rate, the higher resolution and resolution of the animation. More realistic, which is different from the frame rate in the video.
This is the resolution of the image, in pixels is the display with preview on the screen while working, in which the value can be changed during work to preview the work.
This is the length of video composition , starting from 0 second. The duration can be increased or decreased as needed while working on the project.
This background color of the viewport, it can be changed while you work on the video as needed.